{"Ac": {"Atomic mass": 227.0, "Atomic no": 89, "Atomic orbitals": {"1s": -3443.110367, "2p": -572.7627, "2s": -592.622878, "3d": -119.541743, "3p": -137.654394, "3s": -147.320716, "4d": -23.57061, "4f": -12.278225, "4p": -31.761846, "4s": -36.15826, "5d": -3.222752, "5p": -6.06511, "5s": -7.713078, "6d": -0.137786, "6p": -0.744524, "6s": -1.19698, "7s": -0.126551}, "Atomic radius": 1.95, "Atomic radius calculated": "no data", "Boiling point": "3573 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "10070 kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].6d<sup>1</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.26}, "Liquid range": "2250 K", "Melting point": "1323 K", "Mendeleev no": 48, "Mineral hardness": "no data", "Molar volume": "22.55 cm<sup>3</sup>", "Name": "Actinium", "Oxidation states": [3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.26, "ionic_radius": 1.12}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "12 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.1, "Youngs modulus": "no data GPa", "Metallic radius": 1.878, "iupac_ordering": 32, "IUPAC ordering": 32}, "Ag": {"Atomic mass": 107.8682, "Atomic no": 47, "Atomic orbitals": {"1s": -900.324578, "2p": -120.913351, "2s": -129.859807, "3d": -13.367803, "3p": -20.06763, "3s": -23.678437, "4d": -0.298706, "4p": -2.086602, "4s": -3.22309, "5s": -0.157407}, "Atomic radius": 1.6, "Atomic radius calculated": 1.65, "Boiling point": "2435 K", "Brinell hardness": "24.5 MN m<sup>-2</sup>", "Bulk modulus": "100 GPa", "Coefficient of linear thermal expansion": "18.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "no data K", "Density of solid": "10490 kg m<sup>-3</sup>", "Electrical resistivity": "1.63 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>1</sup>", "ICSD oxidation states": [1, 2, 3], "Ionic radii": {"1": 1.29, "2": 1.08, "3": 0.89}, "Liquid range": "1200.07 K", "Melting point": "1234.93 K", "Mendeleev no": 71, "Mineral hardness": "2.5", "Molar volume": "10.27 cm<sup>3</sup>", "Name": "Silver", "Oxidation states": [1, 2, 3], "Poissons ratio": "0.37", "Reflectivity": "97 %", "Refractive index": "no data", "Rigidity modulus": "30 GPa", "Shannon radii": {"1": {"II": {"": {"crystal_radius": 0.81, "ionic_radius": 0.67}}, "IV": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}, "IVSQ": {"": {"crystal_radius": 1.16, "ionic_radius": 1.02}}, "V": {"": {"crystal_radius": 1.23, "ionic_radius": 1.09}}, "VI": {"": {"crystal_radius": 1.29, "ionic_radius": 1.15}}, "VII": {"": {"crystal_radius": 1.36, "ionic_radius": 1.22}}, "VIII": {"": {"crystal_radius": 1.42, "ionic_radius": 1.28}}}, "2": {"IVSQ": {"": {"crystal_radius": 0.93, "ionic_radius": 0.79}}, "VI": {"": {"crystal_radius": 1.08, "ionic_radius": 0.94}}}, "3": {"IVSQ": {"": {"crystal_radius": 0.81, "ionic_radius": 0.67}}, "VI": {"": {"crystal_radius": 0.89, "ionic_radius": 0.75}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "430 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.72, "Velocity of sound": "2600 m s<sup>-1</sup>", "Vickers hardness": "251 MN m<sup>-2</sup>", "X": 1.93, "Youngs modulus": "83 GPa", "Metallic radius": 1.445, "iupac_ordering": 72, "IUPAC ordering": 72}, "Al": {"Atomic mass": 26.9815386, "Atomic no": 13, "Atomic orbitals": {"1s": -55.156044, "2p": -2.564018, "2s": -3.934827, "3p": -0.102545, "3s": -0.286883}, "Atomic radius": 1.25, "Atomic radius calculated": 1.18, "Boiling point": "2792 K", "Brinell hardness": "245 MN m<sup>-2</sup>", "Bulk modulus": "76 GPa", "Coefficient of linear thermal expansion": "23.1 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "2700 kg m<sup>-3</sup>", "Electrical resistivity": "2.7 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>1</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 0.675}, "Liquid range": "1858.53 K", "Melting point": "933.47 K", "Mendeleev no": 80, "Mineral hardness": "2.75", "Molar volume": "10.00 cm<sup>3</sup>", "Name": "Aluminum", "Oxidation states": [1, 3], "Poissons ratio": "0.35", "Reflectivity": "71 %", "Refractive index": "no data", "Rigidity modulus": "26 GPa", "Shannon radii": {"3": {"IV": {"": {"crystal_radius": 0.53, "ionic_radius": 0.39}}, "V": {"": {"crystal_radius": 0.62, "ionic_radius": 0.48}}, "VI": {"": {"crystal_radius": 0.675, "ionic_radius": 0.535}}}}, "Superconduction temperature": "1.175 K", "Thermal conductivity": "235 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.84, "Velocity of sound": "5100 m s<sup>-1</sup>", "Vickers hardness": "167 MN m<sup>-2</sup>", "X": 1.61, "Youngs modulus": "70 GPa", "NMR Quadrupole Moment": {"Al-27": 146.6}, "Metallic radius": 1.43, "iupac_ordering": 80, "IUPAC ordering": 80}, "Am": {"Atomic mass": 243.0, "Atomic no": 95, "Atomic orbitals": "no data", "Atomic radius": 1.75, "Atomic radius calculated": "no data", "Boiling point": "2880 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>7</sup>.7s<sup>2</sup>", "Ionic radii": {"2": 1.4, "3": 1.115, "4": 0.99}, "Liquid range": "1431 K", "Melting point": "1449 K", "Mendeleev no": 42, "Mineral hardness": "no data", "Molar volume": "17.63 cm<sup>3</sup>", "Name": "Americium", "Oxidation states": [2, 3, 4, 5, 6], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"VII": {"": {"crystal_radius": 1.35, "ionic_radius": 1.21}}, "VIII": {"": {"crystal_radius": 1.4, "ionic_radius": 1.26}}, "IX": {"": {"crystal_radius": 1.45, "ionic_radius": 1.31}}}, "3": {"VI": {"": {"crystal_radius": 1.115, "ionic_radius": 0.975}}, "VIII": {"": {"crystal_radius": 1.23, "ionic_radius": 1.09}}}, "4": {"VI": {"": {"crystal_radius": 0.99, "ionic_radius": 0.85}}, "VIII": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}}}, "Superconduction temperature": "0.6 K", "Thermal conductivity": "10 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": 1.73, "iupac_ordering": 26, "IUPAC ordering": 26}, "Ar": {"Atomic mass": 39.948, "Atomic no": 18, "Atomic orbitals": {"1s": -113.800134, "2p": -8.443439, "2s": -10.794172, "3p": -0.38233, "3s": -0.883384}, "Atomic radius": 0.71, "Atomic radius calculated": 0.71, "Boiling point": "87.3 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "150.8 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>6</sup>", "Liquid range": "3.5 K", "Max oxidation state": 0.0, "Melting point": "83.8 K", "Mendeleev no": 3, "Min oxidation state": 0.0, "Mineral hardness": "no data", "Molar volume": "22.56 cm<sup>3</sup>", "Name": "Argon", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000281", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "0.01772 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.88, "Velocity of sound": "319 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 3, "IUPAC ordering": 3}, "As": {"Atomic mass": 74.9216, "Atomic no": 33, "Atomic orbitals": {"1s": -423.336658, "2p": -47.527869, "2s": -53.093086, "3d": -1.542767, "3p": -4.851725, "3s": -6.730755, "4p": -0.197497, "4s": -0.52367}, "Atomic radius": 1.15, "Atomic radius calculated": 1.14, "Boiling point": "887 K", "Brinell hardness": "1440 MN m<sup>-2</sup>", "Bulk modulus": "22 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-3, 3, 5], "Critical temperature": "1700 K", "Density of solid": "5727 kg m<sup>-3</sup>", "Electrical resistivity": "33 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>3</sup>", "ICSD oxidation states": [2, 3, 5, -2, -3, -1], "Ionic radii": {"3": 0.72, "5": 0.6}, "Liquid range": "203 K", "Melting point": "1090 K", "Mendeleev no": 89, "Mineral hardness": "3.5", "Molar volume": "12.95 cm<sup>3</sup>", "Name": "Arsenic", "Oxidation states": [-3, 2, 3, 5], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.001552", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}}, "5": {"IV": {"": {"crystal_radius": 0.475, "ionic_radius": 0.335}}, "VI": {"": {"crystal_radius": 0.6, "ionic_radius": 0.46}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "50 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.85, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.18, "Youngs modulus": "8 GPa", "Metallic radius": "no data", "iupac_ordering": 89, "IUPAC ordering": 89}, "At": {"Atomic mass": 210.0, "Atomic no": 85, "Atomic orbitals": {"1s": -3127.390276, "2p": -513.044243, "2s": -531.81835, "3d": -103.060375, "3p": -119.995013, "3s": -129.035542, "4d": -18.295162, "4f": -8.063483, "4p": -25.778264, "4s": -29.809515, "5d": -1.643758, "5p": -4.027061, "5s": -5.453383, "6p": -0.255453, "6s": -0.560189}, "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1, 1], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>5</sup>", "Ionic radii": {"7": 0.76}, "Liquid range": "no data K", "Melting point": "575 K", "Mendeleev no": 96, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Astatine", "Oxidation states": [-1, 1, 3, 5], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"7": {"VI": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "2 (estimate)W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.02, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 98, "IUPAC ordering": 98}, "Au": {"Atomic mass": 196.966569, "Atomic no": 79, "Atomic orbitals": {"1s": -2683.508245, "2p": -430.725701, "2s": -447.888973, "3d": -81.511751, "3p": -96.707, "3s": -104.824516, "4d": -12.131815, "4f": -3.486824, "4p": -18.578652, "4s": -22.078357, "5d": -0.304738, "5p": -2.002495, "5s": -3.113936, "6s": -0.162334}, "Atomic radius": 1.35, "Atomic radius calculated": 1.74, "Boiling point": "3129 K", "Brinell hardness": "2450 MN m<sup>-2</sup>", "Bulk modulus": "220 GPa", "Coefficient of linear thermal expansion": "14.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "19300 kg m<sup>-3</sup>", "Electrical resistivity": "2.2 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>1</sup>", "Ionic radii": {"1": 1.51, "3": 0.99, "5": 0.71}, "Liquid range": "1791.67 K", "Melting point": "1337.33 K", "Mendeleev no": 70, "Mineral hardness": "2.5", "Molar volume": "10.21 cm<sup>3</sup>", "Name": "Gold", "Oxidation states": [-1, 1, 2, 3, 5], "Poissons ratio": "0.44", "Reflectivity": "95 %", "Refractive index": "no data", "Rigidity modulus": "27 GPa", "Shannon radii": {"1": {"VI": {"": {"crystal_radius": 1.51, "ionic_radius": 1.37}}}, "3": {"IVSQ": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}, "VI": {"": {"crystal_radius": 0.99, "ionic_radius": 0.85}}}, "5": {"VI": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "320 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.66, "Velocity of sound": "1740 m s<sup>-1</sup>", "Vickers hardness": "216 MN m<sup>-2</sup>", "X": 2.54, "Youngs modulus": "78 GPa", "Metallic radius": 1.442, "iupac_ordering": 71, "IUPAC ordering": 71}, "B": {"Atomic mass": 10.811, "Atomic no": 5, "Atomic orbitals": {"1s": -6.564347, "2p": -0.136603, "2s": -0.344701}, "Atomic radius": 0.85, "Atomic radius calculated": 0.87, "Boiling point": "4200 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "320 GPa", "Coefficient of linear thermal expansion": "6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "2460 kg m<sup>-3</sup>", "Electrical resistivity": "&gt; 10<sup>12</sup>10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>1</sup>", "ICSD oxidation states": [3, -3], "Ionic radii": {"3": 0.41}, "Liquid range": "1851 K", "Melting point": "2349 K", "Mendeleev no": 86, "Mineral hardness": "9.3", "Molar volume": "4.39 cm<sup>3</sup>", "Name": "Boron", "Oxidation states": [1, 2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"III": {"": {"crystal_radius": 0.15, "ionic_radius": 0.01}}, "IV": {"": {"crystal_radius": 0.25, "ionic_radius": 0.11}}, "VI": {"": {"crystal_radius": 0.41, "ionic_radius": 0.27}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "27 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.92, "Velocity of sound": "16200 m s<sup>-1</sup>", "Vickers hardness": "49000 MN m<sup>-2</sup>", "X": 2.04, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"B-10": 84.59, "B-11": 40.59}, "Metallic radius": "no data", "iupac_ordering": 81, "IUPAC ordering": 81}, "Ba": {"Atomic mass": 137.327, "Atomic no": 56, "Atomic orbitals": {"1s": -1305.743258, "2p": -189.598483, "2s": -200.844444, "3d": -28.528933, "3p": -37.536931, "3s": -42.359434, "4d": -3.432441, "4p": -6.497622, "4s": -8.257061, "5p": -0.698605, "5s": -1.157159, "6s": -0.118967}, "Atomic radius": 2.15, "Atomic radius calculated": 2.53, "Boiling point": "2143 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "9.6 GPa", "Coefficient of linear thermal expansion": "20.6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "3510 kg m<sup>-3</sup>", "Electrical resistivity": "34 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].6s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 1.49}, "Liquid range": "1143 K", "Melting point": "1000 K", "Mendeleev no": 14, "Mineral hardness": "1.25", "Molar volume": "38.16 cm<sup>3</sup>", "Name": "Barium", "Oxidation states": [2], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "4.9 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.49, "ionic_radius": 1.35}}, "VII": {"": {"crystal_radius": 1.52, "ionic_radius": 1.38}}, "VIII": {"": {"crystal_radius": 1.56, "ionic_radius": 1.42}}, "IX": {"": {"crystal_radius": 1.61, "ionic_radius": 1.47}}, "X": {"": {"crystal_radius": 1.66, "ionic_radius": 1.52}}, "XI": {"": {"crystal_radius": 1.71, "ionic_radius": 1.57}}, "XII": {"": {"crystal_radius": 1.75, "ionic_radius": 1.61}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "18 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.68, "Velocity of sound": "1620 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.89, "Youngs modulus": "13 GPa", "Metallic radius": 2.236, "iupac_ordering": 13, "IUPAC ordering": 13}, "Be": {"Atomic mass": 9.012182, "Atomic no": 4, "Atomic orbitals": {"1s": -3.856411, "2s": -0.205744}, "Atomic radius": 1.05, "Atomic radius calculated": 1.12, "Boiling point": "2742 K", "Brinell hardness": "600 MN m<sup>-2</sup>", "Bulk modulus": "130 GPa", "Coefficient of linear thermal expansion": "11.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "1848 kg m<sup>-3</sup>", "Electrical resistivity": "3.8 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 0.59}, "Liquid range": "1182 K", "Melting point": "1560 K", "Mendeleev no": 77, "Mineral hardness": "5.5", "Molar volume": "4.85 cm<sup>3</sup>", "Name": "Beryllium", "Oxidation states": [2], "Poissons ratio": "0.032", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "132 GPa", "Shannon radii": {"2": {"III": {"": {"crystal_radius": 0.3, "ionic_radius": 0.16}}, "IV": {"": {"crystal_radius": 0.41, "ionic_radius": 0.27}}, "VI": {"": {"crystal_radius": 0.59, "ionic_radius": 0.45}}}}, "Superconduction temperature": "0.026 K", "Thermal conductivity": "190 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.53, "Velocity of sound": "13000 m s<sup>-1</sup>", "Vickers hardness": "1670 MN m<sup>-2</sup>", "X": 1.57, "Youngs modulus": "287 GPa", "NMR Quadrupole Moment": {"Be-9": 52.88}, "Metallic radius": 1.12, "iupac_ordering": 17, "IUPAC ordering": 17}, "Bi": {"Atomic mass": 208.9804, "Atomic no": 83, "Atomic orbitals": {"1s": -2975.550959, "2p": -484.716359, "2s": -502.950758, "3d": -95.532476, "3p": -111.883393, "3s": -120.613998, "4d": -16.084817, "4f": -6.382744, "4p": -23.218641, "4s": -27.07034, "5d": -1.139408, "5p": -3.293637, "5s": -4.611934, "6p": -0.180198, "6s": -0.426129}, "Atomic radius": 1.6, "Atomic radius calculated": 1.43, "Boiling point": "1837 K", "Brinell hardness": "94.2 MN m<sup>-2</sup>", "Bulk modulus": "31 GPa", "Coefficient of linear thermal expansion": "13.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "9780 kg m<sup>-3</sup>", "Electrical resistivity": "130 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>3</sup>", "ICSD oxidation states": [1, 2, 3, 5], "Ionic radii": {"3": 1.17, "5": 0.9}, "Liquid range": "1292.6 K", "Melting point": "544.4 K", "Mendeleev no": 87, "Mineral hardness": "2.25", "Molar volume": "21.31 cm<sup>3</sup>", "Name": "Bismuth", "Oxidation states": [-3, 3, 5], "Poissons ratio": "0.33", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "12 GPa", "Shannon radii": {"3": {"V": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}, "VI": {"": {"crystal_radius": 1.17, "ionic_radius": 1.03}}, "VIII": {"": {"crystal_radius": 1.31, "ionic_radius": 1.17}}}, "5": {"VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "8 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.07, "Velocity of sound": "1790 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.02, "Youngs modulus": "32 GPa", "Metallic radius": 1.82, "iupac_ordering": 87, "IUPAC ordering": 87}, "Bk": {"Atomic mass": 247.0, "Atomic no": 97, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "14780 kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>9</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.1, "4": 0.97}, "Liquid range": "no data K", "Melting point": "1259 K", "Mendeleev no": 40, "Mineral hardness": "no data", "Molar volume": "16.84 cm<sup>3</sup>", "Name": "Berkelium", "Oxidation states": [3, 4], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}}, "4": {"VI": {"": {"crystal_radius": 0.97, "ionic_radius": 0.83}}, "VIII": {"": {"crystal_radius": 1.07, "ionic_radius": 0.93}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "10 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": 1.703, "iupac_ordering": 24, "IUPAC ordering": 24}, "Br": {"Atomic mass": 79.904, "Atomic no": 35, "Atomic orbitals": {"1s": -480.182643, "2p": -55.67796, "2s": -61.710022, "3d": -2.52211, "3p": -6.298805, "3s": -8.409057, "4p": -0.295334, "4s": -0.720066}, "Atomic radius": 1.15, "Atomic radius calculated": 0.94, "Boiling point": "332 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "1.9 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1, 1, 3, 5, 7], "Critical temperature": "586 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "&gt; 10<sup>18</sup>10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>5</sup>", "ICSD oxidation states": [5, -1], "Ionic radii": {"-1": 1.82, "3": 0.73, "5": 0.45, "7": 0.53}, "Liquid range": "66.2 K", "Melting point": "265.8 K", "Mendeleev no": 98, "Mineral hardness": "no data", "Molar volume": "19.78 cm<sup>3</sup>", "Name": "Bromine", "Oxidation states": [-1, 1, 3, 4, 5, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.001132", "Rigidity modulus": "no data GPa", "Shannon radii": {"-1": {"VI": {"": {"crystal_radius": 1.82, "ionic_radius": 1.96}}}, "3": {"IVSQ": {"": {"crystal_radius": 0.73, "ionic_radius": 0.59}}}, "5": {"IIIPY": {"": {"crystal_radius": 0.45, "ionic_radius": 0.31}}}, "7": {"IV": {"": {"crystal_radius": 0.39, "ionic_radius": 0.25}}, "VI": {"": {"crystal_radius": 0.53, "ionic_radius": 0.39}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.12 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.85, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.96, "Youngs modulus": "no data GPa", "Metallic radius": 1.14, "iupac_ordering": 100, "IUPAC ordering": 100}, "C": {"Atomic mass": 12.0107, "Atomic no": 6, "Atomic orbitals": {"1s": -9.947718, "2p": -0.199186, "2s": -0.500866}, "Atomic radius": 0.7, "Atomic radius calculated": 0.67, "Boiling point": "4300 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "33 GPa", "Coefficient of linear thermal expansion": "7.1 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-4, 4], "Critical temperature": "no data K", "Density of solid": "2267 kg m<sup>-3</sup>", "Electrical resistivity": "about 1000 - direction dependent10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>2</sup>", "ICSD oxidation states": [2, 3, 4, -4, -3, -2], "Ionic radii": {"4": 0.3}, "Liquid range": "500 K", "Melting point": "3800 K", "Mendeleev no": 95, "Mineral hardness": "0.5 (graphite; diamond is 10.0)(no units)", "Molar volume": "5.29 cm<sup>3</sup>", "Name": "Carbon", "Oxidation states": [-4, -3, -2, -1, 1, 2, 3, 4], "Poissons ratio": "no data", "Reflectivity": "27 %", "Refractive index": "2.417 (diamond)(no units)", "Rigidity modulus": "no data GPa", "Shannon radii": {"4": {"III": {"": {"crystal_radius": 0.06, "ionic_radius": -0.08}}, "IV": {"": {"crystal_radius": 0.29, "ionic_radius": 0.15}}, "VI": {"": {"crystal_radius": 0.3, "ionic_radius": 0.16}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "140 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.7, "Velocity of sound": "18350 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.55, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"C-11": 33.27}, "Metallic radius": "no data", "iupac_ordering": 86, "IUPAC ordering": 86}, "Ca": {"Atomic mass": 40.078, "Atomic no": 20, "Atomic orbitals": {"1s": -143.935181, "2p": -12.285376, "2s": -15.046905, "3p": -1.030572, "3s": -1.706331, "4s": -0.141411}, "Atomic radius": 1.8, "Atomic radius calculated": 1.94, "Boiling point": "1757 K", "Brinell hardness": "167 MN m<sup>-2</sup>", "Bulk modulus": "17 GPa", "Coefficient of linear thermal expansion": "22.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "1550 kg m<sup>-3</sup>", "Electrical resistivity": "3.4 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].4s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 1.14}, "Liquid range": "642 K", "Melting point": "1115 K", "Mendeleev no": 16, "Mineral hardness": "1.75", "Molar volume": "26.20 cm<sup>3</sup>", "Name": "Calcium", "Oxidation states": [2], "Poissons ratio": "0.31", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "7.4 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}, "VII": {"": {"crystal_radius": 1.2, "ionic_radius": 1.06}}, "VIII": {"": {"crystal_radius": 1.26, "ionic_radius": 1.12}}, "IX": {"": {"crystal_radius": 1.32, "ionic_radius": 1.18}}, "X": {"": {"crystal_radius": 1.37, "ionic_radius": 1.23}}, "XII": {"": {"crystal_radius": 1.48, "ionic_radius": 1.34}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "200 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.31, "Velocity of sound": "3810 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.0, "Youngs modulus": "20 GPa", "NMR Quadrupole Moment": {"Ca-41": -66.5, "Ca-43": -40.8}, "Metallic radius": 1.976, "iupac_ordering": 15, "IUPAC ordering": 15}, "Cd": {"Atomic mass": 112.411, "Atomic no": 48, "Atomic orbitals": {"1s": -941.476646, "2p": -127.63512, "2s": -136.83249, "3d": -14.685252, "3p": -21.637522, "3s": -25.379908, "4d": -0.47053, "4p": -2.39526, "4s": -3.596069, "5s": -0.204228}, "Atomic radius": 1.55, "Atomic radius calculated": 1.61, "Boiling point": "1040 K", "Brinell hardness": "203 MN m<sup>-2</sup>", "Bulk modulus": "42 GPa", "Coefficient of linear thermal expansion": "30.8 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "8650 kg m<sup>-3</sup>", "Electrical resistivity": "7 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 1.09}, "Liquid range": "445.78 K", "Melting point": "594.22 K", "Mendeleev no": 75, "Mineral hardness": "2.0", "Molar volume": "13.00 cm<sup>3</sup>", "Name": "Cadmium", "Oxidation states": [1, 2], "Poissons ratio": "0.30", "Reflectivity": "67 %", "Refractive index": "no data", "Rigidity modulus": "19 GPa", "Shannon radii": {"2": {"IV": {"": {"crystal_radius": 0.92, "ionic_radius": 0.78}}, "V": {"": {"crystal_radius": 1.01, "ionic_radius": 0.87}}, "VI": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}, "VII": {"": {"crystal_radius": 1.17, "ionic_radius": 1.03}}, "VIII": {"": {"crystal_radius": 1.24, "ionic_radius": 1.1}}, "XII": {"": {"crystal_radius": 1.45, "ionic_radius": 1.31}}}}, "Superconduction temperature": "0.517 K", "Thermal conductivity": "97 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.58, "Velocity of sound": "2310 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.69, "Youngs modulus": "50 GPa", "Metallic radius": 1.51, "iupac_ordering": 75, "IUPAC ordering": 75}, "Ce": {"Atomic mass": 140.116, "Atomic no": 58, "Atomic orbitals": {"1s": -1406.148284, "2p": -206.925148, "2s": -218.684842, "3d": -32.412569, "3p": -41.938282, "3s": -47.035283, "4d": -4.192548, "4f": -0.337442, "4p": -7.532106, "4s": -9.432744, "5d": -0.14055, "5p": -0.85011, "5s": -1.369728, "6s": -0.133974}, "Atomic radius": 1.85, "Atomic radius calculated": "no data", "Boiling point": "3633 K", "Brinell hardness": "412 MN m<sup>-2</sup>", "Bulk modulus": "22 GPa", "Coefficient of linear thermal expansion": "6.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3, 4], "Critical temperature": "no data K", "Density of solid": "6689 kg m<sup>-3</sup>", "Electrical resistivity": "74 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>1</sup>.5d<sup>1</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4], "Ionic radii": {"3": 1.15, "4": 1.01}, "Liquid range": "2565 K", "Melting point": "1068 K", "Mendeleev no": 32, "Mineral hardness": "2.5", "Molar volume": "20.69 cm<sup>3</sup>", "Name": "Cerium", "Oxidation states": [2, 3, 4], "Poissons ratio": "0.24", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "14 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.15, "ionic_radius": 1.01}}, "VII": {"": {"crystal_radius": 1.21, "ionic_radius": 1.07}}, "VIII": {"": {"crystal_radius": 1.283, "ionic_radius": 1.143}}, "IX": {"": {"crystal_radius": 1.336, "ionic_radius": 1.196}}, "X": {"": {"crystal_radius": 1.39, "ionic_radius": 1.25}}, "XII": {"": {"crystal_radius": 1.48, "ionic_radius": 1.34}}}, "4": {"VI": {"": {"crystal_radius": 1.01, "ionic_radius": 0.87}}, "VIII": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}, "X": {"": {"crystal_radius": 1.21, "ionic_radius": 1.07}}, "XII": {"": {"crystal_radius": 1.28, "ionic_radius": 1.14}}}}, "Superconduction temperature": "0.022  (under pressure)K", "Thermal conductivity": "11 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2100 m s<sup>-1</sup>", "Vickers hardness": "270 MN m<sup>-2</sup>", "X": 1.12, "Youngs modulus": "34 GPa", "Metallic radius": 1.707, "iupac_ordering": 46, "IUPAC ordering": 46}, "Cf": {"Atomic mass": 251.0, "Atomic no": 98, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "15100 kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>10</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.09, "4": 0.961}, "Liquid range": "no data K", "Melting point": "1173 K", "Mendeleev no": 39, "Mineral hardness": "no data", "Molar volume": "16.50 cm<sup>3</sup>", "Name": "Californium", "Oxidation states": [2, 3, 4], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}}, "4": {"VI": {"": {"crystal_radius": 0.961, "ionic_radius": 0.821}}, "VIII": {"": {"crystal_radius": 1.06, "ionic_radius": 0.92}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": 1.86, "iupac_ordering": 23, "IUPAC ordering": 23}, "Cl": {"Atomic mass": 35.453, "Atomic no": 17, "Atomic orbitals": {"1s": -100.369229, "2p": -7.039982, "2s": -9.187993, "3p": -0.32038, "3s": -0.754458}, "Atomic radius": 1.0, "Atomic radius calculated": 0.79, "Boiling point": "239.11 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "1.1 (liquid)GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1, 1, 3, 5, 7], "Critical temperature": "417 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "&gt; 10<sup>10</sup>10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>5</sup>", "ICSD oxidation states": [-1], "Ionic radii": {"-1": 1.67, "5": 0.26, "7": 0.41}, "Liquid range": "67.51 K", "Melting point": "171.6 K", "Mendeleev no": 99, "Mineral hardness": "no data", "Molar volume": "17.39 cm<sup>3</sup>", "Name": "Chlorine", "Oxidation states": [-1, 1, 2, 3, 4, 5, 6, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000773", "Rigidity modulus": "no data GPa", "Shannon radii": {"-1": {"VI": {"": {"crystal_radius": 1.67, "ionic_radius": 1.81}}}, "5": {"IIIPY": {"": {"crystal_radius": 0.26, "ionic_radius": 0.12}}}, "7": {"IV": {"": {"crystal_radius": 0.22, "ionic_radius": 0.08}}, "VI": {"": {"crystal_radius": 0.41, "ionic_radius": 0.27}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.0089 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.75, "Velocity of sound": "206 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 3.16, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"Cl-35": -81.65, "Cl-37": -64.35}, "Metallic radius": "no data", "iupac_ordering": 101, "IUPAC ordering": 101}, "Cm": {"Atomic mass": 247.0, "Atomic no": 96, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "3383 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "13510 kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>7</sup>.6d<sup>1</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.11, "4": 0.99}, "Liquid range": "1770 K", "Melting point": "1613 K", "Mendeleev no": 41, "Mineral hardness": "no data", "Molar volume": "18.05 cm<sup>3</sup>", "Name": "Curium", "Oxidation states": [3, 4], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}}, "4": {"VI": {"": {"crystal_radius": 0.99, "ionic_radius": 0.85}}, "VIII": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "8.8 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": 1.743, "iupac_ordering": 25, "IUPAC ordering": 25}, "Co": {"Atomic mass": 58.933195, "Atomic no": 27, "Atomic orbitals": {"1s": -275.616639, "2p": -28.152095, "2s": -32.379758, "3d": -0.322368, "3p": -2.388285, "3s": -3.651812, "4s": -0.204497}, "Atomic radius": 1.35, "Atomic radius calculated": 1.52, "Boiling point": "3200 K", "Brinell hardness": "700 MN m<sup>-2</sup>", "Bulk modulus": "180 GPa", "Coefficient of linear thermal expansion": "13.0 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 3], "Critical temperature": "no data K", "Density of solid": "8900 kg m<sup>-3</sup>", "Electrical resistivity": "6 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>7</sup>.4s<sup>2</sup>", "ICSD oxidation states": [1, 2, 3, 4], "Ionic radii": {"2": 0.885, "3": 0.75, "4": 0.67}, "Ionic radii hs": {"2": 0.885, "3": 0.75, "4": 0.67}, "Ionic radii ls": {"2": 0.79, "3": 0.685}, "Liquid range": "1432 K", "Melting point": "1768 K", "Mendeleev no": 64, "Mineral hardness": "5.0", "Molar volume": "6.67 cm<sup>3</sup>", "Name": "Cobalt", "Oxidation states": [-1, 1, 2, 3, 4, 5], "Poissons ratio": "0.31", "Reflectivity": "67 %", "Refractive index": "no data", "Rigidity modulus": "75 GPa", "Shannon radii": {"2": {"IV": {"High Spin": {"crystal_radius": 0.72, "ionic_radius": 0.58}}, "V": {"": {"crystal_radius": 0.81, "ionic_radius": 0.67}}, "VI": {"Low Spin": {"crystal_radius": 0.79, "ionic_radius": 0.65}, "High Spin": {"crystal_radius": 0.885, "ionic_radius": 0.745}}, "VIII": {"": {"crystal_radius": 1.04, "ionic_radius": 0.9}}}, "3": {"VI": {"High Spin": {"crystal_radius": 0.75, "ionic_radius": 0.61}, "Low Spin": {"crystal_radius": 0.685, "ionic_radius": 0.545}}}, "4": {"IV": {"": {"crystal_radius": 0.54, "ionic_radius": 0.4}}, "VI": {"High Spin": {"crystal_radius": 0.67, "ionic_radius": 0.53}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "100 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4720 m s<sup>-1</sup>", "Vickers hardness": "1043 MN m<sup>-2</sup>", "X": 1.88, "Youngs modulus": "209 GPa", "NMR Quadrupole Moment": {"Co-59": 420.3}, "Metallic radius": 1.25, "iupac_ordering": 67, "IUPAC ordering": 67}, "Cr": {"Atomic mass": 51.9961, "Atomic no": 24, "Atomic orbitals": {"1s": -213.881191, "2p": -20.526273, "2s": -24.113457, "3d": -0.118123, "3p": -1.65423, "3s": -2.649085, "4s": -0.150445}, "Atomic radius": 1.4, "Atomic radius calculated": 1.66, "Boiling point": "2944 K", "Brinell hardness": "1120 MN m<sup>-2</sup>", "Bulk modulus": "160 GPa", "Coefficient of linear thermal expansion": "4.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3, 6], "Critical temperature": "no data K", "Density of solid": "7140 kg m<sup>-3</sup>", "Electrical resistivity": "12.7 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>5</sup>.4s<sup>1</sup>", "ICSD oxidation states": [2, 3, 4, 5, 6], "Ionic radii": {"2": 0.94}, "Ionic radii hs": {"2": 0.94}, "Ionic radii ls": {"2": 0.87, "3": 0.755, "4": 0.69, "5": 0.63, "6": 0.58}, "Liquid range": "764 K", "Melting point": "2180 K", "Mendeleev no": 57, "Mineral hardness": "8.5", "Molar volume": "7.23 cm<sup>3</sup>", "Name": "Chromium", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.21", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "115 GPa", "Shannon radii": {"2": {"VI": {"Low Spin": {"crystal_radius": 0.87, "ionic_radius": 0.73}, "High Spin": {"crystal_radius": 0.94, "ionic_radius": 0.8}}}, "3": {"VI": {"": {"crystal_radius": 0.755, "ionic_radius": 0.615}}}, "4": {"IV": {"": {"crystal_radius": 0.55, "ionic_radius": 0.41}}, "VI": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}}, "5": {"IV": {"": {"crystal_radius": 0.485, "ionic_radius": 0.345}}, "VI": {"": {"crystal_radius": 0.63, "ionic_radius": 0.49}}, "VIII": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}}, "6": {"IV": {"": {"crystal_radius": 0.4, "ionic_radius": 0.26}}, "VI": {"": {"crystal_radius": 0.58, "ionic_radius": 0.44}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "94 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "5940 m s<sup>-1</sup>", "Vickers hardness": "1060 MN m<sup>-2</sup>", "X": 1.66, "Youngs modulus": "279 GPa", "NMR Quadrupole Moment": {"Cr-53": -150.5}, "Metallic radius": 1.285, "iupac_ordering": 58, "IUPAC ordering": 58}, "Cs": {"Atomic mass": 132.9054519, "Atomic no": 55, "Atomic orbitals": {"1s": -1256.738791, "2p": -180.995344, "2s": -191.981873, "3d": -26.418398, "3p": -35.166423, "3s": -39.851584, "4d": -2.848386, "4p": -5.769326, "4s": -7.455966, "5p": -0.504903, "5s": -0.915819, "6s": -0.078699}, "Atomic radius": 2.6, "Atomic radius calculated": 2.98, "Boiling point": "944 K", "Brinell hardness": "0.14 MN m<sup>-2</sup>", "Bulk modulus": "1.6 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "1938 K", "Density of solid": "1879 kg m<sup>-3</sup>", "Electrical resistivity": "21 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].6s<sup>1</sup>", "ICSD oxidation states": [1], "Ionic radii": {"1": 1.81}, "Liquid range": "642.41 K", "Melting point": "301.59 K", "Mendeleev no": 8, "Mineral hardness": "0.2", "Molar volume": "70.94 cm<sup>3</sup>", "Name": "Cesium", "Oxidation states": [1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"1": {"VI": {"": {"crystal_radius": 1.81, "ionic_radius": 1.67}}, "VIII": {"": {"crystal_radius": 1.88, "ionic_radius": 1.74}}, "IX": {"": {"crystal_radius": 1.92, "ionic_radius": 1.78}}, "X": {"": {"crystal_radius": 1.95, "ionic_radius": 1.81}}, "XI": {"": {"crystal_radius": 1.99, "ionic_radius": 1.85}}, "XII": {"": {"crystal_radius": 2.02, "ionic_radius": 1.88}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "36 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 3.43, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.79, "Youngs modulus": "1.7 GPa", "Metallic radius": 2.719, "iupac_ordering": 7, "IUPAC ordering": 7}, "Cu": {"Atomic mass": 63.546, "Atomic no": 29, "Atomic orbitals": {"1s": -320.78852, "2p": -33.481247, "2s": -38.14131, "3d": -0.202272, "3p": -2.609244, "3s": -4.057453, "4s": -0.172056}, "Atomic radius": 1.35, "Atomic radius calculated": 1.45, "Boiling point": "3200 K", "Brinell hardness": "874 MN m<sup>-2</sup>", "Bulk modulus": "140 GPa", "Coefficient of linear thermal expansion": "16.5 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "8920 kg m<sup>-3</sup>", "Electrical resistivity": "1.72 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>1</sup>", "ICSD oxidation states": [1, 2, 3], "Ionic radii": {"1": 0.91, "2": 0.87, "3": 0.68}, "Liquid range": "1842.23 K", "Melting point": "1357.77 K", "Mendeleev no": 72, "Mineral hardness": "3.0", "Molar volume": "7.11 cm<sup>3</sup>", "Name": "Copper", "Oxidation states": [1, 2, 3, 4], "Poissons ratio": "0.34", "Reflectivity": "90 %", "Refractive index": "no data", "Rigidity modulus": "48 GPa", "Shannon radii": {"1": {"II": {"": {"crystal_radius": 0.6, "ionic_radius": 0.46}}, "IV": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}, "VI": {"": {"crystal_radius": 0.91, "ionic_radius": 0.77}}}, "2": {"IV": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}, "IVSQ": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}, "V": {"": {"crystal_radius": 0.79, "ionic_radius": 0.65}}, "VI": {"": {"crystal_radius": 0.87, "ionic_radius": 0.73}}}, "3": {"VI": {"Low Spin": {"crystal_radius": 0.68, "ionic_radius": 0.54}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "400 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.4, "Velocity of sound": "3570 m s<sup>-1</sup>", "Vickers hardness": "369 MN m<sup>-2</sup>", "X": 1.9, "Youngs modulus": "130 GPa", "NMR Quadrupole Moment": {"Cu-63": -220.15, "Cu-65": -204.14}, "Metallic radius": 1.278, "iupac_ordering": 73, "IUPAC ordering": 73}, "Dy": {"Atomic mass": 162.5, "Atomic no": 66, "Atomic orbitals": {"1s": -1843.229585, "2p": -281.558531, "2s": -295.342856, "3d": -47.4867, "3p": -59.091931, "3s": -65.299442, "4d": -5.686352, "4f": -0.265302, "4p": -10.094091, "4s": -12.551251, "5p": -0.90349, "5s": -1.547977, "6s": -0.132769}, "Atomic radius": 1.75, "Atomic radius calculated": 2.28, "Boiling point": "2840 K", "Brinell hardness": "500 MN m<sup>-2</sup>", "Bulk modulus": "41 GPa", "Coefficient of linear thermal expansion": "9.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "8551 kg m<sup>-3</sup>", "Electrical resistivity": "92.6 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>10</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"2": 1.21, "3": 1.052}, "Liquid range": "1160 K", "Melting point": "1680 K", "Mendeleev no": 24, "Mineral hardness": "no data", "Molar volume": "19.01 cm<sup>3</sup>", "Name": "Dysprosium", "Oxidation states": [2, 3], "Poissons ratio": "0.25", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "25 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.21, "ionic_radius": 1.07}}, "VII": {"": {"crystal_radius": 1.27, "ionic_radius": 1.13}}, "VIII": {"": {"crystal_radius": 1.33, "ionic_radius": 1.19}}}, "3": {"VI": {"": {"crystal_radius": 1.052, "ionic_radius": 0.912}}, "VII": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}, "VIII": {"": {"crystal_radius": 1.167, "ionic_radius": 1.027}}, "IX": {"": {"crystal_radius": 1.223, "ionic_radius": 1.083}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "11 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2710 m s<sup>-1</sup>", "Vickers hardness": "540 MN m<sup>-2</sup>", "X": 1.22, "Youngs modulus": "61 GPa", "Metallic radius": 1.773, "iupac_ordering": 38, "IUPAC ordering": 38}, "Er": {"Atomic mass": 167.259, "Atomic no": 68, "Atomic orbitals": {"1s": -1961.799176, "2p": -302.01827, "2s": -316.310631, "3d": -51.682149, "3p": -63.818655, "3s": -70.310142, "4d": -6.127443, "4f": -0.278577, "4p": -10.819574, "4s": -13.423547, "5p": -0.935202, "5s": -1.616073, "6s": -0.134905}, "Atomic radius": 1.75, "Atomic radius calculated": 2.26, "Boiling point": "3141 K", "Brinell hardness": "814 MN m<sup>-2</sup>", "Bulk modulus": "44 GPa", "Coefficient of linear thermal expansion": "12.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "9066 kg m<sup>-3</sup>", "Electrical resistivity": "86.0 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>12</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 1.03}, "Liquid range": "1371 K", "Melting point": "1802 K", "Mendeleev no": 22, "Mineral hardness": "no data", "Molar volume": "18.46 cm<sup>3</sup>", "Name": "Erbium", "Oxidation states": [3], "Poissons ratio": "0.24", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "28 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.03, "ionic_radius": 0.89}}, "VII": {"": {"crystal_radius": 1.085, "ionic_radius": 0.945}}, "VIII": {"": {"crystal_radius": 1.144, "ionic_radius": 1.004}}, "IX": {"": {"crystal_radius": 1.202, "ionic_radius": 1.062}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "15 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2830 m s<sup>-1</sup>", "Vickers hardness": "589 MN m<sup>-2</sup>", "X": 1.24, "Youngs modulus": "70 GPa", "Metallic radius": 1.756, "iupac_ordering": 36, "IUPAC ordering": 36}, "Es": {"Atomic mass": 252.0, "Atomic no": 99, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>11</sup>.7s<sup>2</sup>", "Liquid range": "no data K", "Melting point": "1133 K", "Mendeleev no": 38, "Mineral hardness": "no data", "Molar volume": "28.52 cm<sup>3</sup>", "Name": "Einsteinium", "Oxidation states": [2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": 1.86, "iupac_ordering": 22, "IUPAC ordering": 22}, "Eu": {"Atomic mass": 151.964, "Atomic no": 63, "Atomic orbitals": {"1s": -1672.309322, "2p": -252.176697, "2s": -265.199534, "3d": -41.465518, "3p": -52.281987, "3s": -58.068128, "4d": -5.03242, "4f": -0.232773, "4p": -9.025455, "4s": -11.267747, "5p": -0.853575, "5s": -1.444087, "6s": -0.129426}, "Atomic radius": 1.85, "Atomic radius calculated": 2.31, "Boiling point": "1800 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "8.3 GPa", "Coefficient of linear thermal expansion": "35 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 3], "Critical temperature": "no data K", "Density of solid": "5244 kg m<sup>-3</sup>", "Electrical resistivity": "90 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>7</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"2": 1.31, "3": 1.087}, "Liquid range": "701 K", "Melting point": "1099 K", "Mendeleev no": 18, "Mineral hardness": "no data", "Molar volume": "28.97 cm<sup>3</sup>", "Name": "Europium", "Oxidation states": [2, 3], "Poissons ratio": "0.15", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "7.9 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.31, "ionic_radius": 1.17}}, "VII": {"": {"crystal_radius": 1.34, "ionic_radius": 1.2}}, "VIII": {"": {"crystal_radius": 1.39, "ionic_radius": 1.25}}, "IX": {"": {"crystal_radius": 1.44, "ionic_radius": 1.3}}, "X": {"": {"crystal_radius": 1.49, "ionic_radius": 1.35}}}, "3": {"VI": {"": {"crystal_radius": 1.087, "ionic_radius": 0.947}}, "VII": {"": {"crystal_radius": 1.15, "ionic_radius": 1.01}}, "VIII": {"": {"crystal_radius": 1.206, "ionic_radius": 1.066}}, "IX": {"": {"crystal_radius": 1.26, "ionic_radius": 1.12}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "14 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "167 MN m<sup>-2</sup>", "X": 1.2, "Youngs modulus": "18 GPa", "Metallic radius": 2.041, "iupac_ordering": 41, "IUPAC ordering": 41}, "F": {"Atomic mass": 18.9984032, "Atomic no": 9, "Atomic orbitals": {"1s": -24.189391, "2p": -0.415606, "2s": -1.086859}, "Atomic radius": 0.5, "Atomic radius calculated": 0.42, "Boiling point": "85.03 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1], "Critical temperature": "144 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>5</sup>", "ICSD oxidation states": [-1], "Ionic radii": {"-1": 1.19, "7": 0.22}, "Liquid range": "31.5 K", "Melting point": "53.53 K", "Mendeleev no": 102, "Mineral hardness": "no data", "Molar volume": "11.20 cm<sup>3</sup>", "Name": "Fluorine", "Oxidation states": [-1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000195", "Rigidity modulus": "no data GPa", "Shannon radii": {"-1": {"II": {"": {"crystal_radius": 1.145, "ionic_radius": 1.285}}, "III": {"": {"crystal_radius": 1.16, "ionic_radius": 1.3}}, "IV": {"": {"crystal_radius": 1.17, "ionic_radius": 1.31}}, "VI": {"": {"crystal_radius": 1.19, "ionic_radius": 1.33}}}, "7": {"VI": {"": {"crystal_radius": 0.22, "ionic_radius": 0.08}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.0277 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.47, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 3.98, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"F-19": -94.2}, "Metallic radius": "no data", "iupac_ordering": 102, "IUPAC ordering": 102}, "Fe": {"Atomic mass": 55.845, "Atomic no": 26, "Atomic orbitals": {"1s": -254.225505, "2p": -25.551766, "2s": -29.56486, "3d": -0.295049, "3p": -2.187523, "3s": -3.360621, "4s": -0.197978}, "Atomic radius": 1.4, "Atomic radius calculated": 1.56, "Boiling point": "3134 K", "Brinell hardness": "490 MN m<sup>-2</sup>", "Bulk modulus": "170 GPa", "Coefficient of linear thermal expansion": "11.8 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 3], "Critical temperature": "no data K", "Density of solid": "7874 kg m<sup>-3</sup>", "Electrical resistivity": "10 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>6</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"2": 0.92, "3": 0.785}, "Ionic radii hs": {"2": 0.92, "3": 0.785}, "Ionic radii ls": {"2": 0.75, "3": 0.69, "4": 0.725, "6": 0.39}, "Liquid range": "1323 K", "Melting point": "1811 K", "Mendeleev no": 61, "Mineral hardness": "4.0", "Molar volume": "7.09 cm<sup>3</sup>", "Name": "Iron", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.29", "Reflectivity": "65 %", "Refractive index": "no data", "Rigidity modulus": "82 GPa", "Shannon radii": {"2": {"IV": {"High Spin": {"crystal_radius": 0.77, "ionic_radius": 0.63}}, "IVSQ": {"High Spin": {"crystal_radius": 0.78, "ionic_radius": 0.64}}, "VI": {"Low Spin": {"crystal_radius": 0.75, "ionic_radius": 0.61}, "High Spin": {"crystal_radius": 0.92, "ionic_radius": 0.78}}, "VIII": {"High Spin": {"crystal_radius": 1.06, "ionic_radius": 0.92}}}, "3": {"IV": {"High Spin": {"crystal_radius": 0.63, "ionic_radius": 0.49}}, "V": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}, "VI": {"Low Spin": {"crystal_radius": 0.69, "ionic_radius": 0.55}, "High Spin": {"crystal_radius": 0.785, "ionic_radius": 0.645}}, "VIII": {"High Spin": {"crystal_radius": 0.92, "ionic_radius": 0.78}}}, "4": {"VI": {"": {"crystal_radius": 0.725, "ionic_radius": 0.585}}}, "6": {"IV": {"": {"crystal_radius": 0.39, "ionic_radius": 0.25}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "80 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4910 m s<sup>-1</sup>", "Vickers hardness": "608 MN m<sup>-2</sup>", "X": 1.83, "Youngs modulus": "211 GPa", "NMR Quadrupole Moment": {"Fe-57": 160.0}, "Metallic radius": 1.277, "iupac_ordering": 64, "IUPAC ordering": 64}, "Fm": {"Atomic mass": 257.0, "Atomic no": 100, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>12</sup>.7s<sup>2</sup>", "Liquid range": "no data K", "Melting point": "about 1800 K", "Mendeleev no": 37, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Fermium", "Oxidation states": [2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 21, "IUPAC ordering": 21}, "Fr": {"Atomic mass": 223.0, "Atomic no": 87, "Atomic orbitals": {"1s": -3283.263399, "2p": -542.41424, "2s": -561.73045, "3d": -111.085223, "3p": -128.607136, "3s": -137.959632, "4d": -20.812462, "4f": -10.050648, "4p": -28.648131, "4s": -32.861013, "5d": -2.360991, "5p": -4.97328, "5s": -6.509516, "6p": -0.466197, "6s": -0.841848, "7s": -0.076176}, "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].7s<sup>1</sup>", "Ionic radii": {"1": 1.94}, "Liquid range": "no data K", "Melting point": "maybe about 300 K", "Mendeleev no": 7, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Francium", "Oxidation states": [1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"1": {"VI": {"": {"crystal_radius": 1.94, "ionic_radius": 1.8}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 3.48, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.7, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 6, "IUPAC ordering": 6}, "Ga": {"Atomic mass": 69.723, "Atomic no": 31, "Atomic orbitals": {"1s": -370.170639, "2p": -40.093339, "2s": -45.200869, "3d": -0.736204, "3p": -3.584666, "3s": -5.241645, "4p": -0.101634, "4s": -0.328019}, "Atomic radius": 1.3, "Atomic radius calculated": 1.36, "Boiling point": "2477 K", "Brinell hardness": "60 MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "120 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "5904 kg m<sup>-3</sup>", "Electrical resistivity": "about  14 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>1</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"3": 0.76}, "Liquid range": "2174.09 K", "Melting point": "302.91 K", "Mendeleev no": 81, "Mineral hardness": "1.5", "Molar volume": "11.80 cm<sup>3</sup>", "Name": "Gallium", "Oxidation states": [1, 2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"IV": {"": {"crystal_radius": 0.61, "ionic_radius": 0.47}}, "V": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}, "VI": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}}}, "Superconduction temperature": "1.083 K", "Thermal conductivity": "29 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.87, "Velocity of sound": "2740 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.81, "Youngs modulus": "no data GPa", "Metallic radius": 1.35, "iupac_ordering": 79, "IUPAC ordering": 79}, "Gd": {"Atomic mass": 157.25, "Atomic no": 64, "Atomic orbitals": {"1s": -1728.625195, "2p": -262.081616, "2s": -275.36313, "3d": -43.754556, "3p": -54.836922, "3s": -60.764408, "4d": -5.531835, "4f": -0.489012, "4p": -9.669866, "4s": -11.986486, "5d": -0.12722, "5p": -0.978749, "5s": -1.608477, "6s": -0.143627}, "Atomic radius": 1.8, "Atomic radius calculated": 2.33, "Boiling point": "3523 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "38 GPa", "Coefficient of linear thermal expansion": "9.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "7901 kg m<sup>-3</sup>", "Electrical resistivity": "131 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>7</sup>.5d<sup>1</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 1.075}, "Liquid range": "1938 K", "Melting point": "1585 K", "Mendeleev no": 27, "Mineral hardness": "no data", "Molar volume": "19.90 cm<sup>3</sup>", "Name": "Gadolinium", "Oxidation states": [1, 2, 3], "Poissons ratio": "0.26", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "22 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.078, "ionic_radius": 0.938}}, "VII": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}, "VIII": {"": {"crystal_radius": 1.193, "ionic_radius": 1.053}}, "IX": {"": {"crystal_radius": 1.247, "ionic_radius": 1.107}}}}, "Superconduction temperature": "1.083 K", "Thermal conductivity": "11 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2680 m s<sup>-1</sup>", "Vickers hardness": "570 MN m<sup>-2</sup>", "X": 1.2, "Youngs modulus": "55 GPa", "Metallic radius": 1.802, "iupac_ordering": 40, "IUPAC ordering": 40}, "Ge": {"Atomic mass": 72.64, "Atomic no": 32, "Atomic orbitals": {"1s": -396.292991, "2p": -43.720129, "2s": -49.055282, "3d": -1.117316, "3p": -4.194822, "3s": -5.961472, "4p": -0.149882, "4s": -0.426523}, "Atomic radius": 1.25, "Atomic radius calculated": 1.25, "Boiling point": "3093 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-4, 2, 4], "Critical temperature": "no data K", "Density of solid": "5323 kg m<sup>-3</sup>", "Electrical resistivity": "about 50000 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>2</sup>", "ICSD oxidation states": [2, 3, 4], "Ionic radii": {"2": 0.87, "4": 0.67}, "Liquid range": "1881.6 K", "Melting point": "1211.4 K", "Mendeleev no": 84, "Mineral hardness": "6.0", "Molar volume": "13.63 cm<sup>3</sup>", "Name": "Germanium", "Oxidation states": [-4, 1, 2, 3, 4], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 0.87, "ionic_radius": 0.73}}}, "4": {"IV": {"": {"crystal_radius": 0.53, "ionic_radius": 0.39}}, "VI": {"": {"crystal_radius": 0.67, "ionic_radius": 0.53}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "60 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.11, "Velocity of sound": "5400 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.01, "Youngs modulus": "no data GPa", "Metallic radius": 1.39, "iupac_ordering": 84, "IUPAC ordering": 84}, "H": {"Atomic mass": 1.00794, "Atomic no": 1, "Atomic orbitals": {"1s": -0.233471}, "Atomic radius": 0.25, "Atomic radius calculated": 0.53, "Boiling point": "20.28 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1, 1], "Critical temperature": "33 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "1s<sup>1</sup>", "ICSD oxidation states": [1, -1], "Liquid range": "6.27 K", "Melting point": "14.01 K", "Mendeleev no": 103, "Mineral hardness": "no data", "Molar volume": "11.42 cm<sup>3</sup>", "Name": "Hydrogen", "Oxidation states": [-1, 1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000132 (gas; liquid 1.12)(no units)", "Rigidity modulus": "no data GPa", "Shannon radii": {"1": {"I": {"": {"crystal_radius": -0.24, "ionic_radius": -0.38}}, "II": {"": {"crystal_radius": -0.04, "ionic_radius": -0.18}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.1805 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.2, "Velocity of sound": "1270 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"H-2": 2.86}, "Metallic radius": "no data", "iupac_ordering": 92, "IUPAC ordering": 92}, "He": {"Atomic mass": 4.002602, "Atomic no": 2, "Atomic orbitals": {"1s": -0.570425}, "Atomic radius": "no data", "Atomic radius calculated": 0.31, "Boiling point": "4.22 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "5.19 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "1s<sup>2</sup>", "Liquid range": "3.27 K", "Max oxidation state": 0.0, "Melting point": "0.95 K", "Mendeleev no": 1, "Min oxidation state": 0.0, "Mineral hardness": "no data", "Molar volume": "21.0 cm<sup>3</sup>", "Name": "Helium", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000035 (gas; liquid 1.028)(no units)", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "0.1513 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.4, "Velocity of sound": "970 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 5, "IUPAC ordering": 5}, "Hf": {"Atomic mass": 178.49, "Atomic no": 72, "Atomic orbitals": {"1s": -2210.65199, "2p": -345.687023, "2s": -361.006527, "3d": -61.231443, "3p": -74.452656, "3s": -81.522812, "4d": -7.676638, "4f": -0.871574, "4p": -12.971211, "4s": -15.883625, "5d": -0.143805, "5p": -1.246441, "5s": -2.049828, "6s": -0.166465}, "Atomic radius": 1.55, "Atomic radius calculated": 2.08, "Boiling point": "4876 K", "Brinell hardness": "1700 MN m<sup>-2</sup>", "Bulk modulus": "110 GPa", "Coefficient of linear thermal expansion": "5.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "13310 kg m<sup>-3</sup>", "Electrical resistivity": "34 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>2</sup>.6s<sup>2</sup>", "ICSD oxidation states": [4], "Ionic radii": {"4": 0.85}, "Liquid range": "2370 K", "Melting point": "2506 K", "Mendeleev no": 50, "Mineral hardness": "5.5", "Molar volume": "13.44 cm<sup>3</sup>", "Name": "Hafnium", "Oxidation states": [2, 3, 4], "Poissons ratio": "0.37", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "30 GPa", "Shannon radii": {"4": {"IV": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}, "VI": {"": {"crystal_radius": 0.85, "ionic_radius": 0.71}}, "VII": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}, "VIII": {"": {"crystal_radius": 0.97, "ionic_radius": 0.83}}}}, "Superconduction temperature": "0.128 K", "Thermal conductivity": "23 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "3010 m s<sup>-1</sup>", "Vickers hardness": "1760 MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "78 GPa", "Metallic radius": 1.58, "iupac_ordering": 50, "IUPAC ordering": 50}, "Hg": {"Atomic mass": 200.59, "Atomic no": 80, "Atomic orbitals": {"1s": -2755.022637, "2p": -443.848676, "2s": -461.27864, "3d": -84.845492, "3p": -100.328031, "3s": -108.597921, "4d": -13.019221, "4f": -4.110291, "4p": -19.636187, "4s": -23.222921, "5d": -0.452552, "5p": -2.261975, "5s": -3.423486, "6s": -0.205137}, "Atomic radius": 1.5, "Atomic radius calculated": 1.71, "Boiling point": "629.88 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "25 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1, 2], "Critical temperature": "1750 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "96 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>", "ICSD oxidation states": [1, 2], "Ionic radii": {"1": 1.33, "2": 1.16}, "Liquid range": "395.56 K", "Melting point": "234.32 K", "Mendeleev no": 74, "Mineral hardness": "1.5", "Molar volume": "14.09 cm<sup>3</sup>", "Name": "Mercury", "Oxidation states": [1, 2, 4], "Poissons ratio": "no data", "Reflectivity": "73 %", "Refractive index": "1.000933", "Rigidity modulus": "no data GPa", "Shannon radii": {"1": {"III": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}, "VI": {"": {"crystal_radius": 1.33, "ionic_radius": 1.19}}}, "2": {"II": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}, "IV": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}, "VI": {"": {"crystal_radius": 1.16, "ionic_radius": 1.02}}, "VIII": {"": {"crystal_radius": 1.28, "ionic_radius": 1.14}}}}, "Superconduction temperature": "3.95 K", "Thermal conductivity": "8.3 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.55, "Velocity of sound": "1407 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.0, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"Hg-201": 387.6}, "Metallic radius": 1.51, "iupac_ordering": 74, "IUPAC ordering": 74}, "Ho": {"Atomic mass": 164.93032, "Atomic no": 67, "Atomic orbitals": {"1s": -1902.051908, "2p": -291.700994, "2s": -305.739294, "3d": -49.565996, "3p": -61.436304, "3s": -67.785492, "4d": -5.906195, "4f": -0.272677, "4p": -10.455303, "4s": -12.985498, "5p": -0.919463, "5s": -1.582088, "6s": -0.133845}, "Atomic radius": 1.75, "Atomic radius calculated": "no data", "Boiling point": "2993 K", "Brinell hardness": "746 MN m<sup>-2</sup>", "Bulk modulus": "40 GPa", "Coefficient of linear thermal expansion": "11.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "8795 kg m<sup>-3</sup>", "Electrical resistivity": "81.4 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>11</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 1.041}, "Liquid range": "1259 K", "Melting point": "1734 K", "Mendeleev no": 23, "Mineral hardness": "no data", "Molar volume": "18.74 cm<sup>3</sup>", "Name": "Holmium", "Oxidation states": [3], "Poissons ratio": "0.23", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "26 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.041, "ionic_radius": 0.901}}, "VIII": {"": {"crystal_radius": 1.155, "ionic_radius": 1.015}}, "IX": {"": {"crystal_radius": 1.212, "ionic_radius": 1.072}}, "X": {"": {"crystal_radius": 1.26, "ionic_radius": 1.12}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "16 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2760 m s<sup>-1</sup>", "Vickers hardness": "481 MN m<sup>-2</sup>", "X": 1.23, "Youngs modulus": "65 GPa", "Metallic radius": 1.765, "iupac_ordering": 37, "IUPAC ordering": 37}, "I": {"Atomic mass": 126.90447, "Atomic no": 53, "Atomic orbitals": {"1s": -1161.787047, "2p": -164.603788, "2s": -175.073804, "3d": -22.600693, "3p": -30.831092, "3s": -35.243351, "4d": -1.938179, "4p": -4.572522, "4s": -6.115811, "5p": -0.267904, "5s": -0.596339}, "Atomic radius": 1.4, "Atomic radius calculated": 1.15, "Boiling point": "457.4 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "7.7 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-1, 1, 3, 5, 7], "Critical temperature": "819 K", "Density of solid": "4940 kg m<sup>-3</sup>", "Electrical resistivity": "&gt; 10<sup>15</sup>10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>5</sup>", "ICSD oxidation states": [5, -1], "Ionic radii": {"-1": 2.06, "5": 1.09, "7": 0.67}, "Liquid range": "70.55 K", "Melting point": "386.85 K", "Mendeleev no": 97, "Mineral hardness": "no data", "Molar volume": "25.72 cm<sup>3</sup>", "Name": "Iodine", "Oxidation states": [-1, 1, 3, 5, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"-1": {"VI": {"": {"crystal_radius": 2.06, "ionic_radius": 2.2}}}, "5": {"IIIPY": {"": {"crystal_radius": 0.58, "ionic_radius": 0.44}}, "VI": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}}, "7": {"IV": {"": {"crystal_radius": 0.56, "ionic_radius": 0.42}}, "VI": {"": {"crystal_radius": 0.67, "ionic_radius": 0.53}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.449 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.98, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.66, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"I-127": -696.12, "I-129": -604.1}, "Metallic radius": "no data", "iupac_ordering": 99, "IUPAC ordering": 99}, "In": {"Atomic mass": 114.818, "Atomic no": 49, "Atomic orbitals": {"1s": -983.647445, "2p": -134.628845, "2s": -144.078357, "3d": -16.139823, "3p": -23.345778, "3s": -27.2206, "4d": -0.730481, "4p": -2.795832, "4s": -4.062639, "5p": -0.101782, "5s": -0.290497}, "Atomic radius": 1.55, "Atomic radius calculated": 1.56, "Boiling point": "2345 K", "Brinell hardness": "8.83 MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "32.1 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "7310 kg m<sup>-3</sup>", "Electrical resistivity": "8 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>1</sup>", "ICSD oxidation states": [1, 2, 3], "Ionic radii": {"3": 0.94}, "Liquid range": "1915.25 K", "Melting point": "429.75 K", "Mendeleev no": 79, "Mineral hardness": "1.2", "Molar volume": "15.76 cm<sup>3</sup>", "Name": "Indium", "Oxidation states": [1, 2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"IV": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}, "VI": {"": {"crystal_radius": 0.94, "ionic_radius": 0.8}}, "VIII": {"": {"crystal_radius": 1.06, "ionic_radius": 0.92}}}}, "Superconduction temperature": "3.41 K", "Thermal conductivity": "82 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.93, "Velocity of sound": "1215 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.78, "Youngs modulus": "11 GPa", "NMR Quadrupole Moment": {"In-113": 759.8, "In-115": 770.8}, "Metallic radius": 1.67, "iupac_ordering": 78, "IUPAC ordering": 78}, "Ir": {"Atomic mass": 192.217, "Atomic no": 77, "Atomic orbitals": {"1s": -2543.761342, "2p": -405.526834, "2s": -422.159424, "3d": -75.485027, "3p": -90.108427, "3s": -97.923081, "4d": -10.856593, "4f": -2.738339, "4p": -16.966578, "4s": -20.29429, "5d": -0.335189, "5p": -1.883349, "5s": -2.909174, "6s": -0.195511}, "Atomic radius": 1.35, "Atomic radius calculated": 1.8, "Boiling point": "4701 K", "Brinell hardness": "1670 MN m<sup>-2</sup>", "Bulk modulus": "320 GPa", "Coefficient of linear thermal expansion": "6.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3, 4], "Critical temperature": "no data K", "Density of solid": "22650 kg m<sup>-3</sup>", "Electrical resistivity": "4.7 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>7</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4, 5], "Ionic radii": {"3": 0.82, "4": 0.765, "5": 0.71}, "Liquid range": "1962 K", "Melting point": "2739 K", "Mendeleev no": 66, "Mineral hardness": "6.5", "Molar volume": "8.52 cm<sup>3</sup>", "Name": "Iridium", "Oxidation states": [-3, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.26", "Reflectivity": "78 %", "Refractive index": "no data", "Rigidity modulus": "210 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}}, "4": {"VI": {"": {"crystal_radius": 0.765, "ionic_radius": 0.625}}}, "5": {"VI": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}}}, "Superconduction temperature": "0.11 K", "Thermal conductivity": "150 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4825 m s<sup>-1</sup>", "Vickers hardness": "1760 MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "528 GPa", "Metallic radius": 1.357, "iupac_ordering": 65, "IUPAC ordering": 65}, "K": {"Atomic mass": 39.0983, "Atomic no": 19, "Atomic orbitals": {"1s": -128.414957, "2p": -10.283851, "2s": -12.839001, "3p": -0.693776, "3s": -1.281897, "4s": -0.088815}, "Atomic radius": 2.2, "Atomic radius calculated": 2.43, "Boiling point": "1032 K", "Brinell hardness": "0.363 MN m<sup>-2</sup>", "Bulk modulus": "3.1 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "2223 K", "Density of solid": "856 kg m<sup>-3</sup>", "Electrical resistivity": "7.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].4s<sup>1</sup>", "ICSD oxidation states": [1], "Ionic radii": {"1": 1.52}, "Liquid range": "695.47 K", "Melting point": "336.53 K", "Mendeleev no": 10, "Mineral hardness": "0.4", "Molar volume": "45.94 cm<sup>3</sup>", "Name": "Potassium", "Oxidation states": [-1, 1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "1.3 GPa", "Shannon radii": {"1": {"IV": {"": {"crystal_radius": 1.51, "ionic_radius": 1.37}}, "VI": {"": {"crystal_radius": 1.52, "ionic_radius": 1.38}}, "VII": {"": {"crystal_radius": 1.6, "ionic_radius": 1.46}}, "VIII": {"": {"crystal_radius": 1.65, "ionic_radius": 1.51}}, "IX": {"": {"crystal_radius": 1.69, "ionic_radius": 1.55}}, "X": {"": {"crystal_radius": 1.73, "ionic_radius": 1.59}}, "XII": {"": {"crystal_radius": 1.78, "ionic_radius": 1.64}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "100 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.75, "Velocity of sound": "2000 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.82, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"K-39": 58.5, "K-40": -73.0, "K-41": 71.1}, "Metallic radius": 2.381, "iupac_ordering": 9, "IUPAC ordering": 9}, "Kr": {"Atomic mass": 83.798, "Atomic no": 36, "Atomic orbitals": {"1s": -509.982989, "2p": -60.017328, "2s": -66.285953, "3d": -3.074109, "3p": -7.086634, "3s": -9.315192, "4p": -0.34634, "4s": -0.820574}, "Atomic radius": "no data", "Atomic radius calculated": 0.88, "Boiling point": "119.93 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "209.4 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>6</sup>", "Liquid range": "4.14 K", "Max oxidation state": 0.0, "Melting point": "115.79 K", "Mendeleev no": 4, "Min oxidation state": 0.0, "Mineral hardness": "no data", "Molar volume": "27.99 cm<sup>3</sup>", "Name": "Krypton", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000427", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "0.00943 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.02, "Velocity of sound": "1120 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 3.0, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 2, "IUPAC ordering": 2}, "La": {"Atomic mass": 138.90547, "Atomic no": 57, "Atomic orbitals": {"1s": -1355.622446, "2p": -198.325243, "2s": -209.831151, "3d": -30.626696, "3p": -39.895838, "3s": -44.856283, "4d": -3.95801, "4p": -7.167724, "4s": -9.000543, "5d": -0.141085, "5p": -0.824498, "5s": -1.324936, "6s": -0.132233}, "Atomic radius": 1.95, "Atomic radius calculated": "no data", "Boiling point": "3743 K", "Brinell hardness": "363 MN m<sup>-2</sup>", "Bulk modulus": "28 GPa", "Coefficient of linear thermal expansion": "12.1 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "6146 kg m<sup>-3</sup>", "Electrical resistivity": "61.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].5d<sup>1</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"3": 1.172}, "Liquid range": "2550 K", "Melting point": "1193 K", "Mendeleev no": 33, "Mineral hardness": "2.5", "Molar volume": "22.39 cm<sup>3</sup>", "Name": "Lanthanum", "Oxidation states": [2, 3], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "14 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.172, "ionic_radius": 1.032}}, "VII": {"": {"crystal_radius": 1.24, "ionic_radius": 1.1}}, "VIII": {"": {"crystal_radius": 1.3, "ionic_radius": 1.16}}, "IX": {"": {"crystal_radius": 1.356, "ionic_radius": 1.216}}, "X": {"": {"crystal_radius": 1.41, "ionic_radius": 1.27}}, "XII": {"": {"crystal_radius": 1.5, "ionic_radius": 1.36}}}}, "Superconduction temperature": "6.00 K", "Thermal conductivity": "13 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2475 m s<sup>-1</sup>", "Vickers hardness": "491 MN m<sup>-2</sup>", "X": 1.1, "Youngs modulus": "37 GPa", "NMR Quadrupole Moment": {"La-139": 200.6}, "Metallic radius": 1.877, "iupac_ordering": 47, "IUPAC ordering": 47}, "Li": {"Atomic mass": 6.941, "Atomic no": 3, "Atomic orbitals": {"1s": -1.878564, "2s": -0.10554}, "Atomic radius": 1.45, "Atomic radius calculated": 1.67, "Boiling point": "1615 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "11 GPa", "Coefficient of linear thermal expansion": "46 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "3223 K", "Density of solid": "535 kg m<sup>-3</sup>", "Electrical resistivity": "9.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>1</sup>", "ICSD oxidation states": [1], "Ionic radii": {"1": 0.9}, "Liquid range": "1161.31 K", "Melting point": "453.69 K", "Mendeleev no": 12, "Mineral hardness": "0.6", "Molar volume": "13.02 cm<sup>3</sup>", "Name": "Lithium", "Oxidation states": [1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "4.2 GPa", "Shannon radii": {"1": {"IV": {"": {"crystal_radius": 0.73, "ionic_radius": 0.59}}, "VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}, "VIII": {"": {"crystal_radius": 1.06, "ionic_radius": 0.92}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "85 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.82, "Velocity of sound": "6000 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.98, "Youngs modulus": "4.9 GPa", "NMR Quadrupole Moment": {"Li-6": -0.808, "Li-7": -40.1}, "Metallic radius": 1.52, "iupac_ordering": 11, "IUPAC ordering": 11}, "Lr": {"Atomic mass": 262.0, "Atomic no": 103, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>14</sup>.7s<sup>2</sup>.7p<sup>1</sup> (tentative)", "Liquid range": "no data K", "Melting point": "about 1900 K", "Mendeleev no": 34, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Lawrencium", "Oxidation states": [3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 18, "IUPAC ordering": 18}, "Lu": {"Atomic mass": 174.967, "Atomic no": 71, "Atomic orbitals": {"1s": -2146.885351, "2p": -334.330902, "2s": -349.390492, "3d": -58.592982, "3p": -71.538779, "3s": -78.462398, "4d": -7.113364, "4f": -0.568096, "4p": -12.250904, "4s": -15.08337, "5d": -0.103686, "5p": -1.111991, "5s": -1.872086, "6s": -0.155112}, "Atomic radius": 1.75, "Atomic radius calculated": 2.17, "Boiling point": "3675 K", "Brinell hardness": "893 MN m<sup>-2</sup>", "Bulk modulus": "48 GPa", "Coefficient of linear thermal expansion": "9.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "9841 kg m<sup>-3</sup>", "Electrical resistivity": "58 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>1</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 1.001}, "Liquid range": "1750 K", "Melting point": "1925 K", "Mendeleev no": 20, "Mineral hardness": "no data", "Molar volume": "17.78 cm<sup>3</sup>", "Name": "Lutetium", "Oxidation states": [3], "Poissons ratio": "0.26", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "27 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.001, "ionic_radius": 0.861}}, "VIII": {"": {"crystal_radius": 1.117, "ionic_radius": 0.977}}, "IX": {"": {"crystal_radius": 1.172, "ionic_radius": 1.032}}}}, "Superconduction temperature": "0.022 K", "Thermal conductivity": "16 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "1160 MN m<sup>-2</sup>", "X": 1.27, "Youngs modulus": "69 GPa", "Metallic radius": 1.735, "iupac_ordering": 33, "IUPAC ordering": 33}, "Md": {"Atomic mass": 258.0, "Atomic no": 101, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>13</sup>.7s<sup>2</sup>", "Liquid range": "no data K", "Melting point": "about 1100 K", "Mendeleev no": 36, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Mendelevium", "Oxidation states": [2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 20, "IUPAC ordering": 20}, "Mg": {"Atomic mass": 24.305, "Atomic no": 12, "Atomic orbitals": {"1s": -45.973167, "2p": -1.71897, "2s": -2.903746, "3s": -0.175427}, "Atomic radius": 1.5, "Atomic radius calculated": 1.45, "Boiling point": "1363 K", "Brinell hardness": "260 MN m<sup>-2</sup>", "Bulk modulus": "45 GPa", "Coefficient of linear thermal expansion": "8.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "1738 kg m<sup>-3</sup>", "Electrical resistivity": "4.4 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 0.86}, "Liquid range": "440 K", "Melting point": "923 K", "Mendeleev no": 73, "Mineral hardness": "2.5", "Molar volume": "14.00 cm<sup>3</sup>", "Name": "Magnesium", "Oxidation states": [1, 2], "Poissons ratio": "0.29", "Reflectivity": "74 %", "Refractive index": "no data", "Rigidity modulus": "17 GPa", "Shannon radii": {"2": {"IV": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}, "V": {"": {"crystal_radius": 0.8, "ionic_radius": 0.66}}, "VI": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}, "VIII": {"": {"crystal_radius": 1.03, "ionic_radius": 0.89}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "160 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.73, "Velocity of sound": "4602 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.31, "Youngs modulus": "45 GPa", "NMR Quadrupole Moment": {"Mg-25": 199.4}, "Metallic radius": 1.6, "iupac_ordering": 16, "IUPAC ordering": 16}, "Mn": {"Atomic mass": 54.938045, "Atomic no": 25, "Atomic orbitals": {"1s": -233.696912, "2p": -23.066297, "2s": -26.866646, "3d": -0.26654, "3p": -1.99145, "3s": -3.076637, "4s": -0.191136}, "Atomic radius": 1.4, "Atomic radius calculated": 1.61, "Boiling point": "2334 K", "Brinell hardness": "196 MN m<sup>-2</sup>", "Bulk modulus": "120 GPa", "Coefficient of linear thermal expansion": "21.7 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 4, 7], "Critical temperature": "no data K", "Density of solid": "7470 kg m<sup>-3</sup>", "Electrical resistivity": "144 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>5</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2, 3, 4, 7], "Ionic radii": {"2": 0.97, "3": 0.785, "4": 0.67, "5": 0.47, "6": 0.395, "7": 0.6}, "Ionic radii hs": {"2": 0.97, "3": 0.785}, "Ionic radii ls": {"2": 0.81, "3": 0.72, "4": 0.67, "5": 0.47, "6": 0.395, "7": 0.6}, "Liquid range": "815 K", "Melting point": "1519 K", "Mendeleev no": 60, "Mineral hardness": "6.0", "Molar volume": "7.35 cm<sup>3</sup>", "Name": "Manganese", "Oxidation states": [-3, -2, -1, 1, 2, 3, 4, 5, 6, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"IV": {"High Spin": {"crystal_radius": 0.8, "ionic_radius": 0.66}}, "V": {"High Spin": {"crystal_radius": 0.89, "ionic_radius": 0.75}}, "VI": {"Low Spin": {"crystal_radius": 0.81, "ionic_radius": 0.67}, "High Spin": {"crystal_radius": 0.97, "ionic_radius": 0.83}}, "VII": {"High Spin": {"crystal_radius": 1.04, "ionic_radius": 0.9}}, "VIII": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}}, "3": {"V": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}, "VI": {"Low Spin": {"crystal_radius": 0.72, "ionic_radius": 0.58}, "High Spin": {"crystal_radius": 0.785, "ionic_radius": 0.645}}}, "4": {"IV": {"": {"crystal_radius": 0.53, "ionic_radius": 0.39}}, "VI": {"": {"crystal_radius": 0.67, "ionic_radius": 0.53}}}, "5": {"IV": {"": {"crystal_radius": 0.47, "ionic_radius": 0.33}}}, "6": {"IV": {"": {"crystal_radius": 0.395, "ionic_radius": 0.255}}}, "7": {"IV": {"": {"crystal_radius": 0.39, "ionic_radius": 0.25}}, "VI": {"": {"crystal_radius": 0.6, "ionic_radius": 0.46}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "7.8 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "5150 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.55, "Youngs modulus": "198 GPa", "NMR Quadrupole Moment": {"Mn-55": 330.1}, "Metallic radius": 1.292, "iupac_ordering": 61, "IUPAC ordering": 61}, "Mo": {"Atomic mass": 95.94, "Atomic no": 42, "Atomic orbitals": {"1s": -709.232119, "2p": -90.791541, "2s": -98.503638, "3d": -8.257721, "3p": -13.71481, "3s": -16.681545, "4d": -0.153347, "4p": -1.39005, "4s": -2.234824, "5s": -0.14788}, "Atomic radius": 1.45, "Atomic radius calculated": 1.9, "Boiling point": "4912 K", "Brinell hardness": "1500 MN m<sup>-2</sup>", "Bulk modulus": "230 GPa", "Coefficient of linear thermal expansion": "4.8 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4, 6], "Critical temperature": "no data K", "Density of solid": "10280 kg m<sup>-3</sup>", "Electrical resistivity": "5.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>5</sup>.5s<sup>1</sup>", "ICSD oxidation states": [2, 3, 4, 5, 6], "Ionic radii": {"3": 0.83, "4": 0.79, "5": 0.75, "6": 0.73}, "Liquid range": "2016 K", "Melting point": "2896 K", "Mendeleev no": 56, "Mineral hardness": "5.5", "Molar volume": "9.38 cm<sup>3</sup>", "Name": "Molybdenum", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.31", "Reflectivity": "58 %", "Refractive index": "no data", "Rigidity modulus": "20 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}}, "4": {"VI": {"": {"crystal_radius": 0.79, "ionic_radius": 0.65}}}, "5": {"IV": {"": {"crystal_radius": 0.6, "ionic_radius": 0.46}}, "VI": {"": {"crystal_radius": 0.75, "ionic_radius": 0.61}}}, "6": {"IV": {"": {"crystal_radius": 0.55, "ionic_radius": 0.41}}, "V": {"": {"crystal_radius": 0.64, "ionic_radius": 0.5}}, "VI": {"": {"crystal_radius": 0.73, "ionic_radius": 0.59}}, "VII": {"": {"crystal_radius": 0.87, "ionic_radius": 0.73}}}}, "Superconduction temperature": "0.915 K", "Thermal conductivity": "139 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "6190 m s<sup>-1</sup>", "Vickers hardness": "1530 MN m<sup>-2</sup>", "X": 2.16, "Youngs modulus": "329 GPa", "Metallic radius": 1.402, "iupac_ordering": 57, "IUPAC ordering": 57}, "N": {"Atomic mass": 14.0067, "Atomic no": 7, "Atomic orbitals": {"1s": -14.011501, "2p": -0.266297, "2s": -0.676151}, "Atomic radius": 0.65, "Atomic radius calculated": 0.56, "Boiling point": "77.36 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-3, 3, 5], "Critical temperature": "126.2 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>3</sup>", "ICSD oxidation states": [1, 3, 5, -1, -3, -2], "Ionic radii": {"-3": 1.32, "3": 0.3, "5": 0.27}, "Liquid range": "14.31 K", "Melting point": "63.05 K", "Mendeleev no": 100, "Mineral hardness": "no data", "Molar volume": "13.54 cm<sup>3</sup>", "Name": "Nitrogen", "Oxidation states": [-3, -2, -1, 1, 2, 3, 4, 5], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000298 (gas; liquid 1.197)(no units)", "Rigidity modulus": "no data GPa", "Shannon radii": {"-3": {"IV": {"": {"crystal_radius": 1.32, "ionic_radius": 1.46}}}, "3": {"VI": {"": {"crystal_radius": 0.3, "ionic_radius": 0.16}}}, "5": {"III": {"": {"crystal_radius": 0.044, "ionic_radius": -0.104}}, "VI": {"": {"crystal_radius": 0.27, "ionic_radius": 0.13}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.02583 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.55, "Velocity of sound": "333.6 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 3.04, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"N-14": 20.44}, "Metallic radius": "no data", "iupac_ordering": 91, "IUPAC ordering": 91}, "Na": {"Atomic mass": 22.98976928, "Atomic no": 11, "Atomic orbitals": {"1s": -37.719975, "2p": -1.060636, "2s": -2.063401, "3s": -0.103415}, "Atomic radius": 1.8, "Atomic radius calculated": 1.9, "Boiling point": "1156 K", "Brinell hardness": "0.69 MN m<sup>-2</sup>", "Bulk modulus": "6.3 GPa", "Coefficient of linear thermal expansion": "71 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "2573 K", "Density of solid": "968 kg m<sup>-3</sup>", "Electrical resistivity": "4.9 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>1</sup>", "ICSD oxidation states": [1], "Ionic radii": {"1": 1.16}, "Liquid range": "785.13 K", "Melting point": "370.87 K", "Mendeleev no": 11, "Mineral hardness": "0.5", "Molar volume": "23.78 cm<sup>3</sup>", "Name": "Sodium", "Oxidation states": [-1, 1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "3.3 GPa", "Shannon radii": {"1": {"IV": {"": {"crystal_radius": 1.13, "ionic_radius": 0.99}}, "V": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}, "VI": {"": {"crystal_radius": 1.16, "ionic_radius": 1.02}}, "VII": {"": {"crystal_radius": 1.26, "ionic_radius": 1.12}}, "VIII": {"": {"crystal_radius": 1.32, "ionic_radius": 1.18}}, "IX": {"": {"crystal_radius": 1.38, "ionic_radius": 1.24}}, "XII": {"": {"crystal_radius": 1.53, "ionic_radius": 1.39}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "140 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.27, "Velocity of sound": "3200 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.93, "Youngs modulus": "10 GPa", "NMR Quadrupole Moment": {"Na-23": 104.1}, "Metallic radius": 1.86, "iupac_ordering": 10, "IUPAC ordering": 10}, "Nb": {"Atomic mass": 92.90638, "Atomic no": 41, "Atomic orbitals": {"1s": -673.76253, "2p": -85.272175, "2s": -92.74086, "3d": -7.339839, "3p": -12.552855, "3s": -15.393727, "4d": -0.125252, "4p": -1.250049, "4s": -2.036693, "5s": -0.144272}, "Atomic radius": 1.45, "Atomic radius calculated": 1.98, "Boiling point": "5017 K", "Brinell hardness": "736 MN m<sup>-2</sup>", "Bulk modulus": "170 GPa", "Coefficient of linear thermal expansion": "7.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [5], "Critical temperature": "no data K", "Density of solid": "8570 kg m<sup>-3</sup>", "Electrical resistivity": "15.2 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>4</sup>.5s<sup>1</sup>", "ICSD oxidation states": [2, 3, 4, 5], "Ionic radii": {"3": 0.86, "4": 0.82, "5": 0.78}, "Liquid range": "2267 K", "Melting point": "2750 K", "Mendeleev no": 53, "Mineral hardness": "6.0", "Molar volume": "10.83 cm<sup>3</sup>", "Name": "Niobium", "Oxidation states": [-1, 2, 3, 4, 5], "Poissons ratio": "0.40", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "38 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}}, "4": {"VI": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}, "VIII": {"": {"crystal_radius": 0.93, "ionic_radius": 0.79}}}, "5": {"IV": {"": {"crystal_radius": 0.62, "ionic_radius": 0.48}}, "VI": {"": {"crystal_radius": 0.78, "ionic_radius": 0.64}}, "VII": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}, "VIII": {"": {"crystal_radius": 0.88, "ionic_radius": 0.74}}}}, "Superconduction temperature": "9.25 K", "Thermal conductivity": "54 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "3480 m s<sup>-1</sup>", "Vickers hardness": "1320 MN m<sup>-2</sup>", "X": 1.6, "Youngs modulus": "105 GPa", "Metallic radius": 1.473, "iupac_ordering": 54, "IUPAC ordering": 54}, "Nd": {"Atomic mass": 144.242, "Atomic no": 60, "Atomic orbitals": {"1s": -1509.698955, "2p": -224.351816, "2s": -236.613572, "3d": -35.754515, "3p": -45.791219, "3s": -51.161263, "4d": -4.377027, "4f": -0.179508, "4p": -7.96782, "4s": -10.000891, "5p": -0.798503, "5s": -1.334934, "6s": -0.125796}, "Atomic radius": 1.85, "Atomic radius calculated": 2.06, "Boiling point": "3373 K", "Brinell hardness": "265 MN m<sup>-2</sup>", "Bulk modulus": "32 GPa", "Coefficient of linear thermal expansion": "9.6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "6800 kg m<sup>-3</sup>", "Electrical resistivity": "64.3 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>4</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"2": 1.43, "3": 1.123}, "Liquid range": "2076 K", "Melting point": "1297 K", "Mendeleev no": 30, "Mineral hardness": "no data", "Molar volume": "20.59 cm<sup>3</sup>", "Name": "Neodymium", "Oxidation states": [2, 3], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "16 GPa", "Shannon radii": {"2": {"VIII": {"": {"crystal_radius": 1.43, "ionic_radius": 1.29}}, "IX": {"": {"crystal_radius": 1.49, "ionic_radius": 1.35}}}, "3": {"VI": {"": {"crystal_radius": 1.123, "ionic_radius": 0.983}}, "VIII": {"": {"crystal_radius": 1.249, "ionic_radius": 1.109}}, "IX": {"": {"crystal_radius": 1.303, "ionic_radius": 1.163}}, "XII": {"": {"crystal_radius": 1.41, "ionic_radius": 1.27}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "17 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2330 m s<sup>-1</sup>", "Vickers hardness": "343 MN m<sup>-2</sup>", "X": 1.14, "Youngs modulus": "41 GPa", "Metallic radius": 1.821, "iupac_ordering": 44, "IUPAC ordering": 44}, "Ne": {"Atomic mass": 20.1797, "Atomic no": 10, "Atomic orbitals": {"1s": -30.305855, "2p": -0.498034, "2s": -1.322809}, "Atomic radius": "no data", "Atomic radius calculated": 0.38, "Boiling point": "27.07 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "44.4 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>6</sup>", "Liquid range": "2.51 K", "Max oxidation state": 0.0, "Melting point": "24.56 K", "Mendeleev no": 2, "Min oxidation state": 0.0, "Mineral hardness": "no data", "Molar volume": "13.23 cm<sup>3</sup>", "Name": "Neon", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000067", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "0.0491 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.54, "Velocity of sound": "936 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"Ne-21": 101.55}, "Metallic radius": "no data", "iupac_ordering": 4, "IUPAC ordering": 4}, "Ni": {"Atomic mass": 58.6934, "Atomic no": 28, "Atomic orbitals": {"1s": -297.870824, "2p": -30.868027, "2s": -35.312112, "3d": -0.348699, "3p": -2.594158, "3s": -3.950717, "4s": -0.210764}, "Atomic radius": 1.35, "Atomic radius calculated": 1.49, "Boiling point": "3186 K", "Brinell hardness": "700 MN m<sup>-2</sup>", "Bulk modulus": "180 GPa", "Coefficient of linear thermal expansion": "13.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "8908 kg m<sup>-3</sup>", "Electrical resistivity": "7.2 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>8</sup>.4s<sup>2</sup>", "ICSD oxidation states": [1, 2, 3, 4], "Ionic radii": {"3": 0.74}, "Ionic radii hs": {"3": 0.74}, "Ionic radii ls": {"2": 0.83, "3": 0.7, "4": 0.62}, "Liquid range": "1458 K", "Melting point": "1728 K", "Mendeleev no": 67, "Mineral hardness": "4.0", "Molar volume": "6.59 cm<sup>3</sup>", "Name": "Nickel", "Oxidation states": [-1, 1, 2, 3, 4], "Poissons ratio": "0.31", "Reflectivity": "72 %", "Refractive index": "no data", "Rigidity modulus": "76 GPa", "Shannon radii": {"2": {"IV": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}, "IVSQ": {"": {"crystal_radius": 0.63, "ionic_radius": 0.49}}, "V": {"": {"crystal_radius": 0.77, "ionic_radius": 0.63}}, "VI": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}}, "3": {"VI": {"Low Spin": {"crystal_radius": 0.7, "ionic_radius": 0.56}, "High Spin": {"crystal_radius": 0.74, "ionic_radius": 0.6}}}, "4": {"VI": {"Low Spin": {"crystal_radius": 0.62, "ionic_radius": 0.48}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "91 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.63, "Velocity of sound": "4970 m s<sup>-1</sup>", "Vickers hardness": "638 MN m<sup>-2</sup>", "X": 1.91, "Youngs modulus": "200 GPa", "NMR Quadrupole Moment": {"Ni-61": 162.15}, "Metallic radius": 1.246, "iupac_ordering": 70, "IUPAC ordering": 70}, "No": {"Atomic mass": 259.0, "Atomic no": 102, "Atomic orbitals": "no data", "Atomic radius": "no data", "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>14</sup>.7s<sup>2</sup>", "Liquid range": "no data K", "Melting point": "about 1100 K", "Mendeleev no": 35, "Mineral hardness": "no data", "Molar volume": "no data cm<sup>3</sup>", "Name": "Nobelium", "Oxidation states": [2, 3], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.24, "ionic_radius": 1.1}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "no data W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 19, "IUPAC ordering": 19}, "Np": {"Atomic mass": 237.0, "Atomic no": 93, "Atomic orbitals": "no data", "Atomic radius": 1.75, "Atomic radius calculated": "no data", "Boiling point": "4273 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [5], "Critical temperature": "no data K", "Density of solid": "20450 kg m<sup>-3</sup>", "Electrical resistivity": "120 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>4</sup>.6d<sup>1</sup>.7s<sup>2</sup>", "Ionic radii": {"2": 1.24, "3": 1.15, "4": 1.01, "5": 0.89, "6": 0.86, "7": 0.85}, "Liquid range": "3363 K", "Melting point": "910 K", "Mendeleev no": 44, "Mineral hardness": "no data", "Molar volume": "11.59 cm<sup>3</sup>", "Name": "Neptunium", "Oxidation states": [3, 4, 5, 6, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.24, "ionic_radius": 1.1}}}, "3": {"VI": {"": {"crystal_radius": 1.15, "ionic_radius": 1.01}}}, "4": {"VI": {"": {"crystal_radius": 1.01, "ionic_radius": 0.87}}, "VIII": {"": {"crystal_radius": 1.12, "ionic_radius": 0.98}}}, "5": {"VI": {"": {"crystal_radius": 0.89, "ionic_radius": 0.75}}}, "6": {"VI": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}}, "7": {"VI": {"": {"crystal_radius": 0.85, "ionic_radius": 0.71}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "6 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.36, "Youngs modulus": "no data GPa", "Metallic radius": 1.503, "iupac_ordering": 28, "IUPAC ordering": 28}, "O": {"Atomic mass": 15.9994, "Atomic no": 8, "Atomic orbitals": {"1s": -18.758245, "2p": -0.338381, "2s": -0.871362}, "Atomic radius": 0.6, "Atomic radius calculated": 0.48, "Boiling point": "90.2 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-2], "Critical temperature": "154.6 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[He].2s<sup>2</sup>.2p<sup>4</sup>", "ICSD oxidation states": [-2], "Ionic radii": {"-2": 1.26}, "Liquid range": "35.4 K", "Melting point": "54.8 K", "Mendeleev no": 101, "Mineral hardness": "no data", "Molar volume": "17.36 cm<sup>3</sup>", "Name": "Oxygen", "Oxidation states": [-2, -1, 1, 2], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000271 (gas; liquid 1.221)(no units)", "Rigidity modulus": "no data GPa", "Shannon radii": {"-2": {"II": {"": {"crystal_radius": 1.21, "ionic_radius": 1.35}}, "III": {"": {"crystal_radius": 1.22, "ionic_radius": 1.36}}, "IV": {"": {"crystal_radius": 1.24, "ionic_radius": 1.38}}, "VI": {"": {"crystal_radius": 1.26, "ionic_radius": 1.4}}, "VIII": {"": {"crystal_radius": 1.28, "ionic_radius": 1.42}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.02658 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.52, "Velocity of sound": "317.5 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 3.44, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"O-17": -25.58}, "Metallic radius": "no data", "iupac_ordering": 97, "IUPAC ordering": 97}, "Os": {"Atomic mass": 190.23, "Atomic no": 76, "Atomic orbitals": {"1s": -2475.238617, "2p": -393.15408, "2s": -409.522396, "3d": -72.497183, "3p": -86.837047, "3s": -94.501324, "4d": -10.176082, "4f": -2.321175, "4p": -16.119671, "4s": -19.362527, "5d": -0.296791, "5p": -1.757404, "5s": -2.738293, "6s": -0.191489}, "Atomic radius": 1.3, "Atomic radius calculated": 1.85, "Boiling point": "5285 K", "Brinell hardness": "3920 MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "5.1 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "22610 kg m<sup>-3</sup>", "Electrical resistivity": "8.1 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>6</sup>.6s<sup>2</sup>", "Ionic radii": {"4": 0.77, "5": 0.715, "6": 0.685, "7": 0.665, "8": 0.53}, "Liquid range": "1979 K", "Melting point": "3306 K", "Mendeleev no": 63, "Mineral hardness": "7.0", "Molar volume": "8.42 cm<sup>3</sup>", "Name": "Osmium", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6, 7, 8], "Poissons ratio": "0.25", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "222 GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 0.77, "ionic_radius": 0.63}}}, "5": {"VI": {"": {"crystal_radius": 0.715, "ionic_radius": 0.575}}}, "6": {"V": {"": {"crystal_radius": 0.63, "ionic_radius": 0.49}}, "VI": {"": {"crystal_radius": 0.685, "ionic_radius": 0.545}}}, "7": {"VI": {"": {"crystal_radius": 0.665, "ionic_radius": 0.525}}}, "8": {"IV": {"": {"crystal_radius": 0.53, "ionic_radius": 0.39}}}}, "Superconduction temperature": "0.66 K", "Thermal conductivity": "88 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4940 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "no data GPa", "Metallic radius": 1.352, "iupac_ordering": 62, "IUPAC ordering": 62}, "P": {"Atomic mass": 30.973762, "Atomic no": 15, "Atomic orbitals": {"1s": -76.061897, "2p": -4.576617, "2s": -6.329346, "3p": -0.20608, "3s": -0.512364}, "Atomic radius": 1.0, "Atomic radius calculated": 0.98, "Boiling point": "550 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "11 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-3, 3, 5], "Critical temperature": "994 K", "Density of solid": "1823 kg m<sup>-3</sup>", "Electrical resistivity": "about 10 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>3</sup>", "ICSD oxidation states": [3, 4, 5, -2, -3, -1], "Ionic radii": {"3": 0.58, "5": 0.52}, "Liquid range": "232.7 K", "Melting point": "(white P) 317.3 K", "Mendeleev no": 90, "Mineral hardness": "no data", "Molar volume": "17.02 cm<sup>3</sup>", "Name": "Phosphorus", "Oxidation states": [-3, -2, -1, 1, 2, 3, 4, 5], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.001212", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.58, "ionic_radius": 0.44}}}, "5": {"IV": {"": {"crystal_radius": 0.31, "ionic_radius": 0.17}}, "V": {"": {"crystal_radius": 0.43, "ionic_radius": 0.29}}, "VI": {"": {"crystal_radius": 0.52, "ionic_radius": 0.38}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.236 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.8, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.19, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 90, "IUPAC ordering": 90}, "Pa": {"Atomic mass": 231.03588, "Atomic no": 91, "Atomic orbitals": {"1s": -3606.333629, "2p": -603.470278, "2s": -623.870431, "3d": -127.781168, "3p": -146.485678, "3s": -156.466742, "4d": -25.933121, "4f": -14.105747, "4p": -34.48293, "4s": -39.064507, "5d": -3.659928, "5f": -0.316813, "5p": -6.709821, "5s": -8.463463, "6d": -0.142481, "6p": -0.799756, "6s": -1.287232, "7s": -0.129653}, "Atomic radius": 1.8, "Atomic radius calculated": "no data", "Boiling point": "no data K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [5], "Critical temperature": "no data K", "Density of solid": "15370 kg m<sup>-3</sup>", "Electrical resistivity": "18 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>2</sup>.6d<sup>1</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.16, "4": 1.04, "5": 0.92}, "Liquid range": "no data K", "Melting point": "1841 K", "Mendeleev no": 46, "Mineral hardness": "no data", "Molar volume": "15.18 cm<sup>3</sup>", "Name": "Protactinium", "Oxidation states": [3, 4, 5], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.18, "ionic_radius": 1.04}}}, "4": {"VI": {"": {"crystal_radius": 1.04, "ionic_radius": 0.9}}, "VIII": {"": {"crystal_radius": 1.15, "ionic_radius": 1.01}}}, "5": {"VI": {"": {"crystal_radius": 0.92, "ionic_radius": 0.78}}, "VIII": {"": {"crystal_radius": 1.05, "ionic_radius": 0.91}}, "IX": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}}}, "Superconduction temperature": "1.4 K", "Thermal conductivity": "47 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.5, "Youngs modulus": "no data GPa", "Metallic radius": 1.642, "iupac_ordering": 30, "IUPAC ordering": 30}, "Pb": {"Atomic mass": 207.2, "Atomic no": 82, "Atomic orbitals": {"1s": -2901.078061, "2p": -470.877785, "2s": -488.843335, "3d": -91.889924, "3p": -107.950391, "3s": -116.526852, "4d": -15.030026, "4f": -5.592532, "4p": -21.990564, "4s": -25.75333, "5d": -0.902393, "5p": -2.941657, "5s": -4.206797, "6p": -0.141831, "6s": -0.357187}, "Atomic radius": 1.8, "Atomic radius calculated": 1.54, "Boiling point": "2022 K", "Brinell hardness": "38.3 MN m<sup>-2</sup>", "Bulk modulus": "46 GPa", "Coefficient of linear thermal expansion": "28.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 4], "Critical temperature": "no data K", "Density of solid": "11340 kg m<sup>-3</sup>", "Electrical resistivity": "21 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>2</sup>", "ICSD oxidation states": [2, 4], "Ionic radii": {"2": 1.33, "4": 0.915}, "Liquid range": "1421.39 K", "Melting point": "600.61 K", "Mendeleev no": 82, "Mineral hardness": "1.5", "Molar volume": "18.26 cm<sup>3</sup>", "Name": "Lead", "Oxidation states": [-4, 2, 4], "Poissons ratio": "0.44", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "5.6 GPa", "Shannon radii": {"2": {"IVPY": {"": {"crystal_radius": 1.12, "ionic_radius": 0.98}}, "VI": {"": {"crystal_radius": 1.33, "ionic_radius": 1.19}}, "VII": {"": {"crystal_radius": 1.37, "ionic_radius": 1.23}}, "VIII": {"": {"crystal_radius": 1.43, "ionic_radius": 1.29}}, "IX": {"": {"crystal_radius": 1.49, "ionic_radius": 1.35}}, "X": {"": {"crystal_radius": 1.54, "ionic_radius": 1.4}}, "XI": {"": {"crystal_radius": 1.59, "ionic_radius": 1.45}}, "XII": {"": {"crystal_radius": 1.63, "ionic_radius": 1.49}}}, "4": {"IV": {"": {"crystal_radius": 0.79, "ionic_radius": 0.65}}, "V": {"": {"crystal_radius": 0.87, "ionic_radius": 0.73}}, "VI": {"": {"crystal_radius": 0.915, "ionic_radius": 0.775}}, "VIII": {"": {"crystal_radius": 1.08, "ionic_radius": 0.94}}}}, "Superconduction temperature": "7.2 K", "Thermal conductivity": "35 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.02, "Velocity of sound": "1260 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.33, "Youngs modulus": "16 GPa", "Metallic radius": 1.75, "iupac_ordering": 82, "IUPAC ordering": 82}, "Pd": {"Atomic mass": 106.42, "Atomic no": 46, "Atomic orbitals": {"1s": -860.134909, "2p": -114.408286, "2s": -123.105078, "3d": -12.132197, "3p": -18.580798, "3s": -22.060898, "4d": -0.160771, "4p": -1.815215, "4s": -2.889173}, "Atomic radius": 1.4, "Atomic radius calculated": 1.69, "Boiling point": "3236 K", "Brinell hardness": "37.3 MN m<sup>-2</sup>", "Bulk modulus": "180 GPa", "Coefficient of linear thermal expansion": "11.8 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 4], "Critical temperature": "no data K", "Density of solid": "12023 kg m<sup>-3</sup>", "Electrical resistivity": "10.8 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>", "ICSD oxidation states": [2, 4], "Ionic radii": {"1": 0.73, "2": 1.0, "3": 0.9, "4": 0.755}, "Liquid range": "1407.95 K", "Melting point": "1828.05 K", "Mendeleev no": 69, "Mineral hardness": "4.75", "Molar volume": "8.56 cm<sup>3</sup>", "Name": "Palladium", "Oxidation states": [2, 4], "Poissons ratio": "0.39", "Reflectivity": "72 %", "Refractive index": "no data", "Rigidity modulus": "44 GPa", "Shannon radii": {"1": {"II": {"": {"crystal_radius": 0.73, "ionic_radius": 0.59}}}, "2": {"IVSQ": {"": {"crystal_radius": 0.78, "ionic_radius": 0.64}}, "VI": {"": {"crystal_radius": 1.0, "ionic_radius": 0.86}}}, "3": {"VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}}, "4": {"VI": {"": {"crystal_radius": 0.755, "ionic_radius": 0.615}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "72 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.63, "Velocity of sound": "3070 m s<sup>-1</sup>", "Vickers hardness": "461 MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "121 GPa", "Metallic radius": 1.376, "iupac_ordering": 69, "IUPAC ordering": 69}, "Pm": {"Atomic mass": 145.0, "Atomic no": 61, "Atomic orbitals": {"1s": -1562.980284, "2p": -233.455114, "2s": -245.970548, "3d": -37.625433, "3p": -47.921132, "3s": -53.429311, "4d": -4.596822, "4f": -0.200159, "4p": -8.320495, "4s": -10.422756, "5p": -0.817702, "5s": -1.372265, "6s": -0.127053}, "Atomic radius": 1.85, "Atomic radius calculated": 2.05, "Boiling point": "3273 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "33 GPa", "Coefficient of linear thermal expansion": "11 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "7264 kg m<sup>-3</sup>", "Electrical resistivity": "about 75 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>5</sup>.6s<sup>2</sup>", "Ionic radii": {"3": 1.11}, "Liquid range": "1900 K", "Melting point": "1373 K", "Mendeleev no": 29, "Mineral hardness": "no data", "Molar volume": "20.23 cm<sup>3</sup>", "Name": "Promethium", "Oxidation states": [3], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "18 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}, "VIII": {"": {"crystal_radius": 1.233, "ionic_radius": 1.093}}, "IX": {"": {"crystal_radius": 1.284, "ionic_radius": 1.144}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "15 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.13, "Youngs modulus": "46 GPa", "Metallic radius": 1.811, "iupac_ordering": 43, "IUPAC ordering": 43}, "Po": {"Atomic mass": 210.0, "Atomic no": 84, "Atomic orbitals": {"1s": -3050.988417, "2p": -498.77192, "2s": -517.275843, "3d": -99.256068, "3p": -115.898384, "3s": -124.783683, "4d": -17.173307, "4f": -7.206499, "4p": -24.481337, "4s": -28.42254, "5d": -1.386458, "5p": -3.655382, "5s": -5.027447, "6p": -0.217889, "6s": -0.493528}, "Atomic radius": 1.9, "Atomic radius calculated": 1.35, "Boiling point": "1235 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-2, 2, 4], "Critical temperature": "no data K", "Density of solid": "9196 kg m<sup>-3</sup>", "Electrical resistivity": "40 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>4</sup>", "Ionic radii": {"4": 1.08, "6": 0.81}, "Liquid range": "708 K", "Melting point": "527 K", "Mendeleev no": 91, "Mineral hardness": "no data", "Molar volume": "22.97 cm<sup>3</sup>", "Name": "Polonium", "Oxidation states": [-2, 2, 4, 6], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 1.08, "ionic_radius": 0.94}}, "VIII": {"": {"crystal_radius": 1.22, "ionic_radius": 1.08}}}, "6": {"VI": {"": {"crystal_radius": 0.81, "ionic_radius": 0.67}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "20 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.97, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.0, "Youngs modulus": "no data GPa", "Metallic radius": 1.53, "iupac_ordering": 93, "IUPAC ordering": 93}, "Pr": {"Atomic mass": 140.90765, "Atomic no": 59, "Atomic orbitals": {"1s": -1457.338067, "2p": -215.418313, "2s": -227.426363, "3d": -33.913996, "3p": -43.692548, "3s": -48.924994, "4d": -4.154228, "4f": -0.155138, "4p": -7.613108, "4s": -9.577447, "5p": -0.778046, "5s": -1.296106, "6s": -0.124465}, "Atomic radius": 1.85, "Atomic radius calculated": 2.47, "Boiling point": "3563 K", "Brinell hardness": "481 MN m<sup>-2</sup>", "Bulk modulus": "29 GPa", "Coefficient of linear thermal expansion": "6.7 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "6640 kg m<sup>-3</sup>", "Electrical resistivity": "70 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>3</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4], "Ionic radii": {"3": 1.13, "4": 0.99}, "Liquid range": "2355 K", "Melting point": "1208 K", "Mendeleev no": 31, "Mineral hardness": "no data", "Molar volume": "20.80 cm<sup>3</sup>", "Name": "Praseodymium", "Oxidation states": [2, 3, 4], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "15 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.13, "ionic_radius": 0.99}}, "VIII": {"": {"crystal_radius": 1.266, "ionic_radius": 1.126}}, "IX": {"": {"crystal_radius": 1.319, "ionic_radius": 1.179}}}, "4": {"VI": {"": {"crystal_radius": 0.99, "ionic_radius": 0.85}}, "VIII": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "13 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2280 m s<sup>-1</sup>", "Vickers hardness": "400 MN m<sup>-2</sup>", "X": 1.13, "Youngs modulus": "37 GPa", "Metallic radius": 1.828, "iupac_ordering": 45, "IUPAC ordering": 45}, "Pt": {"Atomic mass": 195.084, "Atomic no": 78, "Atomic orbitals": {"1s": -2613.096532, "2p": -417.96053, "2s": -434.858003, "3d": -78.400271, "3p": -93.309108, "3s": -101.274869, "4d": -11.419476, "4f": -3.038049, "4p": -17.697297, "4s": -21.110651, "5d": -0.273634, "5p": -1.884256, "5s": -2.950526, "6s": -0.161308}, "Atomic radius": 1.35, "Atomic radius calculated": 1.77, "Boiling point": "4098 K", "Brinell hardness": "392 MN m<sup>-2</sup>", "Bulk modulus": "230 GPa", "Coefficient of linear thermal expansion": "8.8 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2, 4], "Critical temperature": "no data K", "Density of solid": "21090 kg m<sup>-3</sup>", "Electrical resistivity": "10.6 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>9</sup>.6s<sup>1</sup>", "Ionic radii": {"2": 0.94, "4": 0.765, "5": 0.71}, "Liquid range": "2056.6 K", "Melting point": "2041.4 K", "Mendeleev no": 68, "Mineral hardness": "3.5", "Molar volume": "9.09 cm<sup>3</sup>", "Name": "Platinum", "Oxidation states": [-2, 2, 4, 5, 6], "Poissons ratio": "0.38", "Reflectivity": "73 %", "Refractive index": "no data", "Rigidity modulus": "61 GPa", "Shannon radii": {"2": {"IVSQ": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}, "VI": {"": {"crystal_radius": 0.94, "ionic_radius": 0.8}}}, "4": {"VI": {"": {"crystal_radius": 0.765, "ionic_radius": 0.625}}}, "5": {"VI": {"": {"crystal_radius": 0.71, "ionic_radius": 0.57}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "72 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.75, "Velocity of sound": "2680 m s<sup>-1</sup>", "Vickers hardness": "549 MN m<sup>-2</sup>", "X": 2.28, "Youngs modulus": "168 GPa", "Metallic radius": 1.387, "iupac_ordering": 68, "IUPAC ordering": 68}, "Pu": {"Atomic mass": 244.0, "Atomic no": 94, "Atomic orbitals": "no data", "Atomic radius": 1.75, "Atomic radius calculated": "no data", "Boiling point": "3503 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "19816 kg m<sup>-3</sup>", "Electrical resistivity": "150 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>6</sup>.7s<sup>2</sup>", "Ionic radii": {"3": 1.14, "4": 1.0, "5": 0.88, "6": 0.85}, "Liquid range": "2590.5 K", "Melting point": "912.5 K", "Mendeleev no": 43, "Mineral hardness": "no data", "Molar volume": "12.29 cm<sup>3</sup>", "Name": "Plutonium", "Oxidation states": [3, 4, 5, 6, 7], "Poissons ratio": "0.21", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "43 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}}, "4": {"VI": {"": {"crystal_radius": 1.0, "ionic_radius": 0.86}}, "VIII": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}}, "5": {"VI": {"": {"crystal_radius": 0.88, "ionic_radius": 0.74}}}, "6": {"VI": {"": {"crystal_radius": 0.85, "ionic_radius": 0.71}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "6 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2260 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.28, "Youngs modulus": "96 GPa", "Metallic radius": 1.523, "iupac_ordering": 27, "IUPAC ordering": 27}, "Ra": {"Atomic mass": 226.0, "Atomic no": 88, "Atomic orbitals": {"1s": -3362.736563, "2p": -557.513214, "2s": -577.101208, "3d": -115.306476, "3p": -133.12325, "3s": -142.632426, "4d": -22.208125, "4f": -11.181066, "4p": -30.221208, "4s": -34.525628, "5d": -2.819853, "5p": -5.547203, "5s": -7.139137, "6p": -0.634674, "6s": -1.05135, "7s": -0.113732}, "Atomic radius": 2.15, "Atomic radius calculated": "no data", "Boiling point": "2010 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "5000 kg m<sup>-3</sup>", "Electrical resistivity": "100 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].7s<sup>2</sup>", "Ionic radii": {"2": 1.62}, "Liquid range": "1037 K", "Melting point": "973 K", "Mendeleev no": 13, "Mineral hardness": "no data", "Molar volume": "41.09 cm<sup>3</sup>", "Name": "Radium", "Oxidation states": [2], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"2": {"VIII": {"": {"crystal_radius": 1.62, "ionic_radius": 1.48}}, "XII": {"": {"crystal_radius": 1.84, "ionic_radius": 1.7}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "19 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.83, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.9, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"Ra-223": 1210.3}, "Metallic radius": 2.293, "iupac_ordering": 12, "IUPAC ordering": 12}, "Rb": {"Atomic mass": 85.4678, "Atomic no": 37, "Atomic orbitals": {"1s": -540.957115, "2p": -64.784678, "2s": -71.291202, "3d": -3.915508, "3p": -8.165416, "3s": -10.513861, "4p": -0.59217, "4s": -1.135051, "5s": -0.085375}, "Atomic radius": 2.35, "Atomic radius calculated": 2.65, "Boiling point": "961 K", "Brinell hardness": "0.216 MN m<sup>-2</sup>", "Bulk modulus": "2.5 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1], "Critical temperature": "2093 K", "Density of solid": "1532 kg m<sup>-3</sup>", "Electrical resistivity": "13.3 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].5s<sup>1</sup>", "ICSD oxidation states": [1], "Ionic radii": {"1": 1.66}, "Liquid range": "648.54 K", "Melting point": "312.46 K", "Mendeleev no": 9, "Mineral hardness": "0.3", "Molar volume": "55.76 cm<sup>3</sup>", "Name": "Rubidium", "Oxidation states": [1], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"1": {"VI": {"": {"crystal_radius": 1.66, "ionic_radius": 1.52}}, "VII": {"": {"crystal_radius": 1.7, "ionic_radius": 1.56}}, "VIII": {"": {"crystal_radius": 1.75, "ionic_radius": 1.61}}, "IX": {"": {"crystal_radius": 1.77, "ionic_radius": 1.63}}, "X": {"": {"crystal_radius": 1.8, "ionic_radius": 1.66}}, "XI": {"": {"crystal_radius": 1.83, "ionic_radius": 1.69}}, "XII": {"": {"crystal_radius": 1.86, "ionic_radius": 1.72}}, "XIV": {"": {"crystal_radius": 1.97, "ionic_radius": 1.83}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "58 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 3.03, "Velocity of sound": "1300 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.82, "Youngs modulus": "2.4 GPa", "Metallic radius": 2.537, "iupac_ordering": 8, "IUPAC ordering": 8}, "Re": {"Atomic mass": 186.207, "Atomic no": 75, "Atomic orbitals": {"1s": -2407.665572, "2p": -380.982869, "2s": -397.087707, "3d": -69.57676, "3p": -83.634578, "3s": -91.149193, "4d": -9.516816, "4f": -1.92508, "4p": -15.295495, "4s": -18.454325, "5d": -0.258639, "5p": -1.631227, "5s": -2.567348, "6s": -0.186859}, "Atomic radius": 1.35, "Atomic radius calculated": 1.88, "Boiling point": "5869 K", "Brinell hardness": "1320 MN m<sup>-2</sup>", "Bulk modulus": "370 GPa", "Coefficient of linear thermal expansion": "6.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "21020 kg m<sup>-3</sup>", "Electrical resistivity": "18 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>5</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4, 5, 6, 7], "Ionic radii": {"4": 0.77, "5": 0.72, "6": 0.69, "7": 0.67}, "Liquid range": "2410 K", "Melting point": "3459 K", "Mendeleev no": 58, "Mineral hardness": "7.0", "Molar volume": "8.86 cm<sup>3</sup>", "Name": "Rhenium", "Oxidation states": [-3, -1, 1, 2, 3, 4, 5, 6, 7], "Poissons ratio": "0.30", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "178 GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 0.77, "ionic_radius": 0.63}}}, "5": {"VI": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}}, "6": {"VI": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}}, "7": {"IV": {"": {"crystal_radius": 0.52, "ionic_radius": 0.38}}, "VI": {"": {"crystal_radius": 0.67, "ionic_radius": 0.53}}}}, "Superconduction temperature": "1.70 K", "Thermal conductivity": "48 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4700 m s<sup>-1</sup>", "Vickers hardness": "2450 MN m<sup>-2</sup>", "X": 1.9, "Youngs modulus": "463 GPa", "Metallic radius": 1.375, "iupac_ordering": 59, "IUPAC ordering": 59}, "Rh": {"Atomic mass": 102.9055, "Atomic no": 45, "Atomic orbitals": {"1s": -821.136773, "2p": -108.357665, "2s": -116.80695, "3d": -11.21725, "3p": -17.415299, "3s": -20.765603, "4d": -0.239422, "4p": -1.806456, "4s": -2.825505, "5s": -0.154624}, "Atomic radius": 1.35, "Atomic radius calculated": 1.73, "Boiling point": "3968 K", "Brinell hardness": "1100 MN m<sup>-2</sup>", "Bulk modulus": "380 GPa", "Coefficient of linear thermal expansion": "8.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "12450 kg m<sup>-3</sup>", "Electrical resistivity": "4.3 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>8</sup>.5s<sup>1</sup>", "ICSD oxidation states": [3, 4], "Ionic radii": {"3": 0.805, "4": 0.74, "5": 0.69}, "Liquid range": "1731 K", "Melting point": "2237 K", "Mendeleev no": 65, "Mineral hardness": "6.0", "Molar volume": "8.28 cm<sup>3</sup>", "Name": "Rhodium", "Oxidation states": [-1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.26", "Reflectivity": "84 %", "Refractive index": "no data", "Rigidity modulus": "150 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.805, "ionic_radius": 0.665}}}, "4": {"VI": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}}, "5": {"VI": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "150 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4700 m s<sup>-1</sup>", "Vickers hardness": "1246 MN m<sup>-2</sup>", "X": 2.28, "Youngs modulus": "275 GPa", "Metallic radius": 1.345, "iupac_ordering": 66, "IUPAC ordering": 66}, "Rn": {"Atomic mass": 220.0, "Atomic no": 86, "Atomic orbitals": {"1s": -3204.756288, "2p": -527.533025, "2s": -546.57796, "3d": -106.945006, "3p": -124.172862, "3s": -133.369144, "4d": -19.449994, "4f": -8.953318, "4p": -27.108985, "4s": -31.230804, "5d": -1.911329, "5p": -4.408702, "5s": -5.889683, "6p": -0.29318, "6s": -0.62657}, "Atomic radius": "no data", "Atomic radius calculated": 1.2, "Boiling point": "211.3 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "377 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>6</sup>", "Liquid range": "9.3 K", "Max oxidation state": 0.0, "Melting point": "202 K", "Mendeleev no": 6, "Min oxidation state": 0.0, "Mineral hardness": "no data", "Molar volume": "50.50 cm<sup>3</sup>", "Name": "Radon", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Superconduction temperature": "no data K", "Thermal conductivity": "0.00361 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.2, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 0, "IUPAC ordering": 0}, "Ru": {"Atomic mass": 101.07, "Atomic no": 44, "Atomic orbitals": {"1s": -782.918621, "2p": -102.333649, "2s": -110.536054, "3d": -10.195668, "3p": -16.145217, "3s": -19.366692, "4d": -0.210375, "4p": -1.667549, "4s": -2.628363, "5s": -0.152834}, "Atomic radius": 1.3, "Atomic radius calculated": 1.78, "Boiling point": "4423 K", "Brinell hardness": "2160 MN m<sup>-2</sup>", "Bulk modulus": "220 GPa", "Coefficient of linear thermal expansion": "6.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3, 4], "Critical temperature": "no data K", "Density of solid": "12370 kg m<sup>-3</sup>", "Electrical resistivity": "7.1 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>7</sup>.5s<sup>1</sup>", "ICSD oxidation states": [2, 3, 4, 5, 6], "Ionic radii": {"3": 0.82, "4": 0.76, "5": 0.705, "7": 0.52, "8": 0.5}, "Liquid range": "1816 K", "Melting point": "2607 K", "Mendeleev no": 62, "Mineral hardness": "6.5", "Molar volume": "8.17 cm<sup>3</sup>", "Name": "Ruthenium", "Oxidation states": [-2, 1, 2, 3, 4, 5, 6, 7, 8], "Poissons ratio": "0.30", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "173 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}}, "4": {"VI": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}}, "5": {"VI": {"": {"crystal_radius": 0.705, "ionic_radius": 0.565}}}, "7": {"IV": {"": {"crystal_radius": 0.52, "ionic_radius": 0.38}}}, "8": {"IV": {"": {"crystal_radius": 0.5, "ionic_radius": 0.36}}}}, "Superconduction temperature": "0.49 K", "Thermal conductivity": "120 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "5970 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.2, "Youngs modulus": "447 GPa", "Metallic radius": 1.339, "iupac_ordering": 63, "IUPAC ordering": 63}, "S": {"Atomic mass": 32.065, "Atomic no": 16, "Atomic orbitals": {"1s": -87.789937, "2p": -5.751257, "2s": -7.69994, "3p": -0.261676, "3s": -0.630912}, "Atomic radius": 1.0, "Atomic radius calculated": 0.88, "Boiling point": "717.87 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "7.7 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-2, 2, 4, 6], "Critical temperature": "1314 K", "Density of solid": "1960 kg m<sup>-3</sup>", "Electrical resistivity": "&gt; 10<sup>23</sup>10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>4</sup>", "ICSD oxidation states": [-1, 2, 4, -2, 6], "Ionic radii": {"-2": 1.7, "4": 0.51, "6": 0.43}, "Liquid range": "329.51 K", "Melting point": "388.36 K", "Mendeleev no": 94, "Mineral hardness": "2.0", "Molar volume": "15.53 cm<sup>3</sup>", "Name": "Sulfur", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.001111", "Rigidity modulus": "no data GPa", "Shannon radii": {"-2": {"VI": {"": {"crystal_radius": 1.7, "ionic_radius": 1.84}}}, "4": {"VI": {"": {"crystal_radius": 0.51, "ionic_radius": 0.37}}}, "6": {"IV": {"": {"crystal_radius": 0.26, "ionic_radius": 0.12}}, "VI": {"": {"crystal_radius": 0.43, "ionic_radius": 0.29}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.205 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.8, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.58, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"S-33": -67.8, "S-35": 47.1}, "Metallic radius": "no data", "iupac_ordering": 96, "IUPAC ordering": 96}, "Sb": {"Atomic mass": 121.76, "Atomic no": 51, "Atomic orbitals": {"1s": -1070.823495, "2p": -149.214271, "2s": -159.171745, "3d": -19.239895, "3p": -26.956184, "3s": -31.098242, "4d": -1.297338, "4p": -3.646579, "4s": -5.04964, "5p": -0.185623, "5s": -0.445605}, "Atomic radius": 1.45, "Atomic radius calculated": 1.33, "Boiling point": "1860 K", "Brinell hardness": "294 MN m<sup>-2</sup>", "Bulk modulus": "42 GPa", "Coefficient of linear thermal expansion": "11 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-3, 3, 5], "Critical temperature": "no data K", "Density of solid": "6697 kg m<sup>-3</sup>", "Electrical resistivity": "40 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>3</sup>", "ICSD oxidation states": [-2, 3, 5, -1, -3], "Ionic radii": {"3": 0.9, "5": 0.76}, "Liquid range": "956.22 K", "Melting point": "903.78 K", "Mendeleev no": 88, "Mineral hardness": "3.0", "Molar volume": "18.19 cm<sup>3</sup>", "Name": "Antimony", "Oxidation states": [-3, 3, 5], "Poissons ratio": "no data", "Reflectivity": "55 %", "Refractive index": "no data", "Rigidity modulus": "20 GPa", "Shannon radii": {"3": {"IVPY": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}, "V": {"": {"crystal_radius": 0.94, "ionic_radius": 0.8}}, "VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}}, "5": {"VI": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "24 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.06, "Velocity of sound": "3420 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.05, "Youngs modulus": "55 GPa", "NMR Quadrupole Moment": {"Sb-121": -543.11, "Sb-123": -692.14}, "Metallic radius": 1.61, "iupac_ordering": 88, "IUPAC ordering": 88}, "Sc": {"Atomic mass": 44.955912, "Atomic no": 21, "Atomic orbitals": {"1s": -160.184109, "2p": -14.240006, "2s": -17.206464, "3d": -0.13108, "3p": -1.233165, "3s": -1.988378, "4s": -0.156478}, "Atomic radius": 1.6, "Atomic radius calculated": 1.84, "Boiling point": "3103 K", "Brinell hardness": "750 MN m<sup>-2</sup>", "Bulk modulus": "57 GPa", "Coefficient of linear thermal expansion": "10.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "2985 kg m<sup>-3</sup>", "Electrical resistivity": "about 55 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>1</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"3": 0.885}, "Liquid range": "1289 K", "Melting point": "1814 K", "Mendeleev no": 19, "Mineral hardness": "no data", "Molar volume": "15.00 cm<sup>3</sup>", "Name": "Scandium", "Oxidation states": [1, 2, 3], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "29 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.885, "ionic_radius": 0.745}}, "VIII": {"": {"crystal_radius": 1.01, "ionic_radius": 0.87}}}}, "Superconduction temperature": "0.05  (under pressure)K", "Thermal conductivity": "16 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.11, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.36, "Youngs modulus": "74 GPa", "NMR Quadrupole Moment": {"Sc-45": -220.2}, "Metallic radius": 1.641, "iupac_ordering": 49, "IUPAC ordering": 49}, "Se": {"Atomic mass": 78.96, "Atomic no": 34, "Atomic orbitals": {"1s": -451.300258, "2p": -51.514388, "2s": -57.311948, "3d": -2.011392, "3p": -5.553517, "3s": -7.547186, "4p": -0.245806, "4s": -0.621248}, "Atomic radius": 1.15, "Atomic radius calculated": 1.03, "Boiling point": "958 K", "Brinell hardness": "736 MN m<sup>-2</sup>", "Bulk modulus": "8.3 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-2, 2, 4, 6], "Critical temperature": "1766 K", "Density of solid": "4819 kg m<sup>-3</sup>", "Electrical resistivity": "high 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>4</sup>", "ICSD oxidation states": [-1, 4, -2, 6], "Ionic radii": {"-2": 1.84, "4": 0.64, "6": 0.56}, "Liquid range": "464 K", "Melting point": "494 K", "Mendeleev no": 93, "Mineral hardness": "2.0", "Molar volume": "16.42 cm<sup>3</sup>", "Name": "Selenium", "Oxidation states": [-2, 2, 4, 6], "Poissons ratio": "0.33", "Reflectivity": "no data %", "Refractive index": "1.000895", "Rigidity modulus": "3.7 GPa", "Shannon radii": {"-2": {"VI": {"": {"crystal_radius": 1.84, "ionic_radius": 1.98}}}, "4": {"VI": {"": {"crystal_radius": 0.64, "ionic_radius": 0.5}}}, "6": {"IV": {"": {"crystal_radius": 0.42, "ionic_radius": 0.28}}, "VI": {"": {"crystal_radius": 0.56, "ionic_radius": 0.42}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.52 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.9, "Velocity of sound": "3350 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.55, "Youngs modulus": "10 GPa", "Metallic radius": "no data", "iupac_ordering": 95, "IUPAC ordering": 95}, "Si": {"Atomic mass": 28.0855, "Atomic no": 14, "Atomic orbitals": {"1s": -65.184426, "2p": -3.514938, "2s": -5.075056, "3p": -0.153293, "3s": -0.398139}, "Atomic radius": 1.1, "Atomic radius calculated": 1.11, "Boiling point": "3173 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "100 GPa", "Coefficient of linear thermal expansion": "2.6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-4, 4], "Critical temperature": "no data K", "Density of solid": "2330 kg m<sup>-3</sup>", "Electrical resistivity": "about 100000 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ne].3s<sup>2</sup>.3p<sup>2</sup>", "ICSD oxidation states": [-4, 4], "Ionic radii": {"4": 0.54}, "Liquid range": "1486 K", "Melting point": "1687 K", "Mendeleev no": 85, "Mineral hardness": "6.5", "Molar volume": "12.06 cm<sup>3</sup>", "Name": "Silicon", "Oxidation states": [-4, -3, -2, -1, 1, 2, 3, 4], "Poissons ratio": "no data", "Reflectivity": "28 %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"4": {"IV": {"": {"crystal_radius": 0.4, "ionic_radius": 0.26}}, "VI": {"": {"crystal_radius": 0.54, "ionic_radius": 0.4}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "150 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.1, "Velocity of sound": "2200 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.9, "Youngs modulus": "47 GPa", "Metallic radius": "no data", "iupac_ordering": 85, "IUPAC ordering": 85}, "Sm": {"Atomic mass": 150.36, "Atomic no": 62, "Atomic orbitals": {"1s": -1617.183426, "2p": -242.729726, "2s": -255.498846, "3d": -39.528656, "3p": -50.08426, "3s": -55.731133, "4d": -4.814978, "4f": -0.21776, "4p": -8.672685, "4s": -10.844667, "5p": -0.835987, "5s": -1.408552, "6s": -0.128259}, "Atomic radius": 1.85, "Atomic radius calculated": 2.38, "Boiling point": "2076 K", "Brinell hardness": "441 MN m<sup>-2</sup>", "Bulk modulus": "38 GPa", "Coefficient of linear thermal expansion": "12.7 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "7353 kg m<sup>-3</sup>", "Electrical resistivity": "94 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>6</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"2": 1.36, "3": 1.0979999999999999}, "Liquid range": "731 K", "Melting point": "1345 K", "Mendeleev no": 28, "Mineral hardness": "no data", "Molar volume": "19.98 cm<sup>3</sup>", "Name": "Samarium", "Oxidation states": [2, 3], "Poissons ratio": "0.27", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "20 GPa", "Shannon radii": {"2": {"VII": {"": {"crystal_radius": 1.36, "ionic_radius": 1.22}}, "VIII": {"": {"crystal_radius": 1.41, "ionic_radius": 1.27}}, "IX": {"": {"crystal_radius": 1.46, "ionic_radius": 1.32}}}, "3": {"VI": {"": {"crystal_radius": 1.098, "ionic_radius": 0.958}}, "VII": {"": {"crystal_radius": 1.16, "ionic_radius": 1.02}}, "VIII": {"": {"crystal_radius": 1.219, "ionic_radius": 1.079}}, "IX": {"": {"crystal_radius": 1.272, "ionic_radius": 1.132}}, "XII": {"": {"crystal_radius": 1.38, "ionic_radius": 1.24}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "13 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2130 m s<sup>-1</sup>", "Vickers hardness": "412 MN m<sup>-2</sup>", "X": 1.17, "Youngs modulus": "50 GPa", "Metallic radius": 1.804, "iupac_ordering": 42, "IUPAC ordering": 42}, "Sn": {"Atomic mass": 118.71, "Atomic no": 50, "Atomic orbitals": {"1s": -1026.762169, "2p": -141.821093, "2s": -151.523991, "3d": -17.657276, "3p": -25.117913, "3s": -29.125969, "4d": -1.004952, "4p": -3.211998, "4s": -4.546335, "5p": -0.14445, "5s": -0.369349}, "Atomic radius": 1.45, "Atomic radius calculated": 1.45, "Boiling point": "2875 K", "Brinell hardness": "51 MN m<sup>-2</sup>", "Bulk modulus": "58 GPa", "Coefficient of linear thermal expansion": "22 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-4, 2, 4], "Critical temperature": "no data K", "Density of solid": "7310 kg m<sup>-3</sup>", "Electrical resistivity": "11.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>2</sup>", "ICSD oxidation states": [2, 3, 4], "Ionic radii": {"4": 0.83}, "Liquid range": "2369.92 K", "Melting point": "505.08 K", "Mendeleev no": 83, "Mineral hardness": "1.5", "Molar volume": "16.29 cm<sup>3</sup>", "Name": "Tin", "Oxidation states": [-4, 2, 4], "Poissons ratio": "0.36", "Reflectivity": "54 %", "Refractive index": "no data", "Rigidity modulus": "18 GPa", "Shannon radii": {"4": {"IV": {"": {"crystal_radius": 0.69, "ionic_radius": 0.55}}, "V": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}, "VI": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}, "VII": {"": {"crystal_radius": 0.89, "ionic_radius": 0.75}}, "VIII": {"": {"crystal_radius": 0.95, "ionic_radius": 0.81}}}}, "Superconduction temperature": "3.72 K", "Thermal conductivity": "67 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.17, "Velocity of sound": "2500 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.96, "Youngs modulus": "50 GPa", "NMR Quadrupole Moment": {"Sn-119": -132.1}, "Metallic radius": 1.58, "iupac_ordering": 83, "IUPAC ordering": 83}, "Sr": {"Atomic mass": 87.62, "Atomic no": 38, "Atomic orbitals": {"1s": -572.870169, "2p": -69.745941, "2s": -76.491823, "3d": -4.813498, "3p": -9.301863, "3s": -11.771585, "4p": -0.844489, "4s": -1.455317, "5s": -0.131793}, "Atomic radius": 2.0, "Atomic radius calculated": 2.19, "Boiling point": "1655 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "22.5 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "2630 kg m<sup>-3</sup>", "Electrical resistivity": "13.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].5s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 1.32}, "Liquid range": "605 K", "Melting point": "1050 K", "Mendeleev no": 15, "Mineral hardness": "1.5", "Molar volume": "33.94 cm<sup>3</sup>", "Name": "Strontium", "Oxidation states": [2], "Poissons ratio": "0.28", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "6.1 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.32, "ionic_radius": 1.18}}, "VII": {"": {"crystal_radius": 1.35, "ionic_radius": 1.21}}, "VIII": {"": {"crystal_radius": 1.4, "ionic_radius": 1.26}}, "IX": {"": {"crystal_radius": 1.45, "ionic_radius": 1.31}}, "X": {"": {"crystal_radius": 1.5, "ionic_radius": 1.36}}, "XII": {"": {"crystal_radius": 1.58, "ionic_radius": 1.44}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "35 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.49, "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 0.95, "Youngs modulus": "no data GPa", "NMR Quadrupole Moment": {"Sr-87": 305.2}, "Metallic radius": 2.151, "iupac_ordering": 14, "IUPAC ordering": 14}, "Ta": {"Atomic mass": 180.94788, "Atomic no": 73, "Atomic orbitals": {"1s": -2275.371387, "2p": -357.248334, "2s": -372.828724, "3d": -63.942521, "3p": -77.440942, "3s": -84.658467, "4d": -8.265848, "4f": -1.199347, "4p": -13.71981, "4s": -16.713337, "5d": -0.182464, "5p": -1.37653, "5s": -2.223807, "6s": -0.174814}, "Atomic radius": 1.45, "Atomic radius calculated": 2.0, "Boiling point": "5731 K", "Brinell hardness": "800 MN m<sup>-2</sup>", "Bulk modulus": "200 GPa", "Coefficient of linear thermal expansion": "6.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [5], "Critical temperature": "no data K", "Density of solid": "16650 kg m<sup>-3</sup>", "Electrical resistivity": "13.5 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>3</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4, 5], "Ionic radii": {"3": 0.86, "4": 0.82, "5": 0.78}, "Liquid range": "2441 K", "Melting point": "3290 K", "Mendeleev no": 52, "Mineral hardness": "6.5", "Molar volume": "10.85 cm<sup>3</sup>", "Name": "Tantalum", "Oxidation states": [-1, 2, 3, 4, 5], "Poissons ratio": "0.34", "Reflectivity": "78 %", "Refractive index": "no data", "Rigidity modulus": "69 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}}, "4": {"VI": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}}, "5": {"VI": {"": {"crystal_radius": 0.78, "ionic_radius": 0.64}}, "VII": {"": {"crystal_radius": 0.83, "ionic_radius": 0.69}}, "VIII": {"": {"crystal_radius": 0.88, "ionic_radius": 0.74}}}}, "Superconduction temperature": "4.47 K", "Thermal conductivity": "57 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "3400 m s<sup>-1</sup>", "Vickers hardness": "873 MN m<sup>-2</sup>", "X": 1.5, "Youngs modulus": "186 GPa", "Metallic radius": 1.47, "iupac_ordering": 53, "IUPAC ordering": 53}, "Tb": {"Atomic mass": 158.92535, "Atomic no": 65, "Atomic orbitals": {"1s": -1785.331942, "2p": -271.590585, "2s": -285.121013, "3d": -45.443863, "3p": -56.785113, "3s": -62.851563, "4d": -5.467662, "4f": -0.256311, "4p": -9.735637, "4s": -12.120486, "5p": -0.88723, "5s": -1.513669, "6s": -0.131677}, "Atomic radius": 1.75, "Atomic radius calculated": 2.25, "Boiling point": "3503 K", "Brinell hardness": "677 MN m<sup>-2</sup>", "Bulk modulus": "38.7 GPa", "Coefficient of linear thermal expansion": "10.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "8219 kg m<sup>-3</sup>", "Electrical resistivity": "115 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>9</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3, 4], "Ionic radii": {"3": 1.063, "4": 0.9}, "Liquid range": "1874 K", "Melting point": "1629 K", "Mendeleev no": 26, "Mineral hardness": "no data", "Molar volume": "19.30 cm<sup>3</sup>", "Name": "Terbium", "Oxidation states": [1, 3, 4], "Poissons ratio": "0.26", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "22 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.063, "ionic_radius": 0.923}}, "VII": {"": {"crystal_radius": 1.12, "ionic_radius": 0.98}}, "VIII": {"": {"crystal_radius": 1.18, "ionic_radius": 1.04}}, "IX": {"": {"crystal_radius": 1.235, "ionic_radius": 1.095}}}, "4": {"VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}, "VIII": {"": {"crystal_radius": 1.02, "ionic_radius": 0.88}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "11 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2620 m s<sup>-1</sup>", "Vickers hardness": "863 MN m<sup>-2</sup>", "X": 1.1, "Youngs modulus": "56 GPa", "Metallic radius": 1.781, "iupac_ordering": 39, "IUPAC ordering": 39}, "Tc": {"Atomic mass": 98.0, "Atomic no": 43, "Atomic orbitals": {"1s": -745.742024, "2p": -96.61021, "2s": -104.567508, "3d": -9.33986, "3p": -15.041738, "3s": -18.135303, "4d": -0.270262, "4p": -1.64323, "4s": -2.550712, "5s": -0.183636}, "Atomic radius": 1.35, "Atomic radius calculated": 1.83, "Boiling point": "4538 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4, 7], "Critical temperature": "no data K", "Density of solid": "11500 kg m<sup>-3</sup>", "Electrical resistivity": "about 22 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>5</sup>.5s<sup>2</sup>", "Ionic radii": {"4": 0.785, "5": 0.74, "7": 0.7}, "Liquid range": "2108 K", "Melting point": "2430 K", "Mendeleev no": 59, "Mineral hardness": "no data", "Molar volume": "8.63 cm<sup>3</sup>", "Name": "Technetium", "Oxidation states": [-3, -1, 1, 2, 3, 4, 5, 6, 7], "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "no data GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 0.785, "ionic_radius": 0.645}}}, "5": {"VI": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}}, "7": {"IV": {"": {"crystal_radius": 0.51, "ionic_radius": 0.37}}, "VI": {"": {"crystal_radius": 0.7, "ionic_radius": 0.56}}}}, "Superconduction temperature": "7.8 K", "Thermal conductivity": "51 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.9, "Youngs modulus": "no data GPa", "Metallic radius": 1.363, "iupac_ordering": 60, "IUPAC ordering": 60}, "Te": {"Atomic mass": 127.6, "Atomic no": 52, "Atomic orbitals": {"1s": -1115.831819, "2p": -156.808583, "2s": -167.021776, "3d": -20.887801, "3p": -28.860685, "3s": -33.137485, "4d": -1.608381, "4p": -4.100084, "4s": -5.572846, "5p": -0.226594, "5s": -0.520997}, "Atomic radius": 1.4, "Atomic radius calculated": 1.23, "Boiling point": "1261 K", "Brinell hardness": "180 MN m<sup>-2</sup>", "Bulk modulus": "65 GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [-2, 2, 4, 6], "Critical temperature": "no data K", "Density of solid": "6240 kg m<sup>-3</sup>", "Electrical resistivity": "about 10000 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>4</sup>", "ICSD oxidation states": [-2, 4, -1, 6], "Ionic radii": {"-2": 2.07, "4": 1.11, "6": 0.7}, "Liquid range": "538.34 K", "Melting point": "722.66 K", "Mendeleev no": 92, "Mineral hardness": "2.25", "Molar volume": "20.46 cm<sup>3</sup>", "Name": "Tellurium", "Oxidation states": [-2, 2, 4, 5, 6], "Poissons ratio": "no data", "Reflectivity": "50 %", "Refractive index": "1.000991", "Rigidity modulus": "16 GPa", "Shannon radii": {"-2": {"VI": {"": {"crystal_radius": 2.07, "ionic_radius": 2.21}}}, "4": {"III": {"": {"crystal_radius": 0.66, "ionic_radius": 0.52}}, "IV": {"": {"crystal_radius": 0.8, "ionic_radius": 0.66}}, "VI": {"": {"crystal_radius": 1.11, "ionic_radius": 0.97}}}, "6": {"IV": {"": {"crystal_radius": 0.57, "ionic_radius": 0.43}}, "VI": {"": {"crystal_radius": 0.7, "ionic_radius": 0.56}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "3 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.06, "Velocity of sound": "2610 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.1, "Youngs modulus": "43 GPa", "Metallic radius": "no data", "iupac_ordering": 94, "IUPAC ordering": 94}, "Th": {"Atomic mass": 232.03806, "Atomic no": 90, "Atomic orbitals": {"1s": -3524.439052, "2p": -588.218112, "2s": -608.350958, "3d": -123.846396, "3p": -142.25581, "3s": -152.079741, "4d": -24.955184, "4f": -13.397389, "4p": -33.325252, "4s": -37.814094, "5d": -3.625729, "5p": -6.58281, "5s": -8.287057, "6d": -0.172896, "6p": -0.846921, "6s": -1.333769, "7s": -0.135872}, "Atomic radius": 1.8, "Atomic radius calculated": "no data", "Boiling point": "5093 K", "Brinell hardness": "400 MN m<sup>-2</sup>", "Bulk modulus": "54 GPa", "Coefficient of linear thermal expansion": "11.0 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "11724 kg m<sup>-3</sup>", "Electrical resistivity": "15 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].6d<sup>2</sup>.7s<sup>2</sup>", "ICSD oxidation states": [4], "Ionic radii": {"4": 1.08}, "Liquid range": "2978 K", "Melting point": "2115 K", "Mendeleev no": 47, "Mineral hardness": "3.0", "Molar volume": "19.80 cm<sup>3</sup>", "Name": "Thorium", "Oxidation states": [2, 3, 4], "Poissons ratio": "0.27", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "31 GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 1.08, "ionic_radius": 0.94}}, "VIII": {"": {"crystal_radius": 1.19, "ionic_radius": 1.05}}, "IX": {"": {"crystal_radius": 1.23, "ionic_radius": 1.09}}, "X": {"": {"crystal_radius": 1.27, "ionic_radius": 1.13}}, "XI": {"": {"crystal_radius": 1.32, "ionic_radius": 1.18}}, "XII": {"": {"crystal_radius": 1.35, "ionic_radius": 1.21}}}}, "Superconduction temperature": "1.38 K", "Thermal conductivity": "54 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "2490 m s<sup>-1</sup>", "Vickers hardness": "350 MN m<sup>-2</sup>", "X": 1.3, "Youngs modulus": "79 GPa", "Metallic radius": 1.798, "iupac_ordering": 31, "IUPAC ordering": 31}, "Ti": {"Atomic mass": 47.867, "Atomic no": 22, "Atomic orbitals": {"1s": -177.276643, "2p": -16.285339, "2s": -19.457901, "3d": -0.17001, "3p": -1.422947, "3s": -2.258007, "4s": -0.167106}, "Atomic radius": 1.4, "Atomic radius calculated": 1.76, "Boiling point": "3560 K", "Brinell hardness": "716 MN m<sup>-2</sup>", "Bulk modulus": "110 GPa", "Coefficient of linear thermal expansion": "8.6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "4507 kg m<sup>-3</sup>", "Electrical resistivity": "about 40 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>2</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2, 3, 4], "Ionic radii": {"2": 1.0, "3": 0.81, "4": 0.745}, "Liquid range": "1619 K", "Melting point": "1941 K", "Mendeleev no": 51, "Mineral hardness": "6.0", "Molar volume": "10.64 cm<sup>3</sup>", "Name": "Titanium", "Oxidation states": [-1, 2, 3, 4], "Poissons ratio": "0.32", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "44 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.0, "ionic_radius": 0.86}}}, "3": {"VI": {"": {"crystal_radius": 0.81, "ionic_radius": 0.67}}}, "4": {"IV": {"": {"crystal_radius": 0.56, "ionic_radius": 0.42}}, "V": {"": {"crystal_radius": 0.65, "ionic_radius": 0.51}}, "VI": {"": {"crystal_radius": 0.745, "ionic_radius": 0.605}}, "VIII": {"": {"crystal_radius": 0.88, "ionic_radius": 0.74}}}}, "Superconduction temperature": "0.40 K", "Thermal conductivity": "22 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4140 m s<sup>-1</sup>", "Vickers hardness": "970 MN m<sup>-2</sup>", "X": 1.54, "Youngs modulus": "116 GPa", "NMR Quadrupole Moment": {"Ti-47": 302.1, "Ti-49": 247.11}, "Metallic radius": 1.462, "iupac_ordering": 52, "IUPAC ordering": 52}, "Tl": {"Atomic mass": 204.3833, "Atomic no": 81, "Atomic orbitals": {"1s": -2827.569408, "2p": -457.255971, "2s": -474.953368, "3d": -88.328299, "3p": -104.099296, "3s": -112.52218, "4d": -14.008848, "4f": -4.835747, "4p": -20.797078, "4s": -24.471512, "5d": -0.674544, "5p": -2.59873, "5s": -3.811512, "6p": -0.101507, "6s": -0.28502}, "Atomic radius": 1.9, "Atomic radius calculated": 1.56, "Boiling point": "1746 K", "Brinell hardness": "26.4 MN m<sup>-2</sup>", "Bulk modulus": "43 GPa", "Coefficient of linear thermal expansion": "29.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [1, 3], "Critical temperature": "no data K", "Density of solid": "11850 kg m<sup>-3</sup>", "Electrical resistivity": "15 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>1</sup>", "ICSD oxidation states": [1, 3], "Ionic radii": {"1": 1.64, "3": 1.025}, "Liquid range": "1169 K", "Melting point": "577 K", "Mendeleev no": 78, "Mineral hardness": "1.2", "Molar volume": "17.22 cm<sup>3</sup>", "Name": "Thallium", "Oxidation states": [1, 3], "Poissons ratio": "0.45", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "2.8 GPa", "Shannon radii": {"1": {"VI": {"": {"crystal_radius": 1.64, "ionic_radius": 1.5}}, "VIII": {"": {"crystal_radius": 1.73, "ionic_radius": 1.59}}, "XII": {"": {"crystal_radius": 1.84, "ionic_radius": 1.7}}}, "3": {"IV": {"": {"crystal_radius": 0.89, "ionic_radius": 0.75}}, "VI": {"": {"crystal_radius": 1.025, "ionic_radius": 0.885}}, "VIII": {"": {"crystal_radius": 1.12, "ionic_radius": 0.98}}}}, "Superconduction temperature": "2.38 K", "Thermal conductivity": "46 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.96, "Velocity of sound": "818 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.62, "Youngs modulus": "8 GPa", "Metallic radius": 1.7, "iupac_ordering": 77, "IUPAC ordering": 77}, "Tm": {"Atomic mass": 168.93421, "Atomic no": 69, "Atomic orbitals": {"1s": -2022.471608, "2p": -312.510608, "2s": -327.05712, "3d": -53.835494, "3p": -66.239338, "3s": -72.873753, "4d": -6.350307, "4f": -0.28312, "4p": -11.187151, "4s": -13.865665, "5p": -0.950748, "5s": -1.64999, "6s": -0.135953}, "Atomic radius": 1.75, "Atomic radius calculated": 2.22, "Boiling point": "2223 K", "Brinell hardness": "471 MN m<sup>-2</sup>", "Bulk modulus": "45 GPa", "Coefficient of linear thermal expansion": "13.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "9321 kg m<sup>-3</sup>", "Electrical resistivity": "67.6 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>13</sup>.6s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"2": 1.17, "3": 1.02}, "Liquid range": "405 K", "Melting point": "1818 K", "Mendeleev no": 21, "Mineral hardness": "no data", "Molar volume": "19.1 cm<sup>3</sup>", "Name": "Thulium", "Oxidation states": [2, 3], "Poissons ratio": "0.21", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "31 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.17, "ionic_radius": 1.03}}, "VII": {"": {"crystal_radius": 1.23, "ionic_radius": 1.09}}}, "3": {"VI": {"": {"crystal_radius": 1.02, "ionic_radius": 0.88}}, "VIII": {"": {"crystal_radius": 1.134, "ionic_radius": 0.994}}, "IX": {"": {"crystal_radius": 1.192, "ionic_radius": 1.052}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "17 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "no data m s<sup>-1</sup>", "Vickers hardness": "520 MN m<sup>-2</sup>", "X": 1.25, "Youngs modulus": "74 GPa", "Metallic radius": 1.747, "iupac_ordering": 35, "IUPAC ordering": 35}, "U": {"Atomic mass": 238.02891, "Atomic no": 92, "Atomic orbitals": {"1s": -3689.355141, "2p": -619.10855, "2s": -639.778728, "3d": -131.977358, "3p": -150.97898, "3s": -161.118073, "4d": -27.123212, "4f": -15.02746, "4p": -35.853321, "4s": -40.528084, "5d": -3.866175, "5f": -0.366543, "5p": -7.018092, "5s": -8.824089, "6d": -0.14319, "6p": -0.822538, "6s": -1.325976, "7s": -0.130948}, "Atomic radius": 1.75, "Atomic radius calculated": "no data", "Boiling point": "4200 K", "Brinell hardness": "2400 MN m<sup>-2</sup>", "Bulk modulus": "100 GPa", "Coefficient of linear thermal expansion": "13.9 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [6], "Critical temperature": "no data K", "Density of solid": "19050 kg m<sup>-3</sup>", "Electrical resistivity": "28 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Rn].5f<sup>3</sup>.6d<sup>1</sup>.7s<sup>2</sup>", "ICSD oxidation states": [3, 4, 5, 6], "Ionic radii": {"3": 1.165, "4": 1.03, "5": 0.9, "6": 0.87}, "Liquid range": "2794.7 K", "Melting point": "1405.3 K", "Mendeleev no": 45, "Mineral hardness": "6.0", "Molar volume": "12.49 cm<sup>3</sup>", "Name": "Uranium", "Oxidation states": [3, 4, 5, 6], "Poissons ratio": "0.23", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "111 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.165, "ionic_radius": 1.025}}}, "4": {"VI": {"": {"crystal_radius": 1.03, "ionic_radius": 0.89}}, "VII": {"": {"crystal_radius": 1.09, "ionic_radius": 0.95}}, "VIII": {"": {"crystal_radius": 1.14, "ionic_radius": 1.0}}, "IX": {"": {"crystal_radius": 1.19, "ionic_radius": 1.05}}, "XII": {"": {"crystal_radius": 1.31, "ionic_radius": 1.17}}}, "5": {"VI": {"": {"crystal_radius": 0.9, "ionic_radius": 0.76}}, "VII": {"": {"crystal_radius": 0.98, "ionic_radius": 0.84}}}, "6": {"II": {"": {"crystal_radius": 0.59, "ionic_radius": 0.45}}, "IV": {"": {"crystal_radius": 0.66, "ionic_radius": 0.52}}, "VI": {"": {"crystal_radius": 0.87, "ionic_radius": 0.73}}, "VII": {"": {"crystal_radius": 0.95, "ionic_radius": 0.81}}, "VIII": {"": {"crystal_radius": 1.0, "ionic_radius": 0.86}}}}, "Superconduction temperature": "0.2 K", "Thermal conductivity": "27 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.86, "Velocity of sound": "3155 m s<sup>-1</sup>", "Vickers hardness": "1960 MN m<sup>-2</sup>", "X": 1.38, "Youngs modulus": "208 GPa", "Metallic radius": 1.542, "iupac_ordering": 29, "IUPAC ordering": 29}, "V": {"Atomic mass": 50.9415, "Atomic no": 23, "Atomic orbitals": {"1s": -195.224014, "2p": -18.435189, "2s": -21.815346, "3d": -0.204634, "3p": -1.610516, "3s": -2.526904, "4s": -0.175968}, "Atomic radius": 1.35, "Atomic radius calculated": 1.71, "Boiling point": "3680 K", "Brinell hardness": "628 MN m<sup>-2</sup>", "Bulk modulus": "160 GPa", "Coefficient of linear thermal expansion": "8.4 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [5], "Critical temperature": "no data K", "Density of solid": "6110 kg m<sup>-3</sup>", "Electrical resistivity": "20 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>3</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2, 3, 4, 5], "Ionic radii": {"2": 0.93, "3": 0.78, "4": 0.72, "5": 0.68}, "Liquid range": "1497 K", "Melting point": "2183 K", "Mendeleev no": 54, "Mineral hardness": "7.0", "Molar volume": "8.32 cm<sup>3</sup>", "Name": "Vanadium", "Oxidation states": [-1, 1, 2, 3, 4, 5], "Poissons ratio": "0.37", "Reflectivity": "61 %", "Refractive index": "no data", "Rigidity modulus": "47 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 0.93, "ionic_radius": 0.79}}}, "3": {"VI": {"": {"crystal_radius": 0.78, "ionic_radius": 0.64}}}, "4": {"V": {"": {"crystal_radius": 0.67, "ionic_radius": 0.53}}, "VI": {"": {"crystal_radius": 0.72, "ionic_radius": 0.58}}, "VIII": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}}, "5": {"IV": {"": {"crystal_radius": 0.495, "ionic_radius": 0.355}}, "V": {"": {"crystal_radius": 0.6, "ionic_radius": 0.46}}, "VI": {"": {"crystal_radius": 0.68, "ionic_radius": 0.54}}}}, "Superconduction temperature": "5.40 K", "Thermal conductivity": "31 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "4560 m s<sup>-1</sup>", "Vickers hardness": "628 MN m<sup>-2</sup>", "X": 1.63, "Youngs modulus": "128 GPa", "NMR Quadrupole Moment": {"V-50": 210.4, "V-51": -52.1}, "Metallic radius": 1.347, "iupac_ordering": 55, "IUPAC ordering": 55}, "W": {"Atomic mass": 183.84, "Atomic no": 74, "Atomic orbitals": {"1s": -2341.042887, "2p": -369.013973, "2s": -384.856157, "3d": -66.724787, "3p": -80.502102, "3s": -87.867792, "4d": -8.879693, "4f": -1.550835, "4p": -14.495102, "4s": -17.570797, "5d": -0.220603, "5p": -1.504457, "5s": -2.396018, "6s": -0.181413}, "Atomic radius": 1.35, "Atomic radius calculated": 1.93, "Boiling point": "5828 K", "Brinell hardness": "2570 MN m<sup>-2</sup>", "Bulk modulus": "310 GPa", "Coefficient of linear thermal expansion": "4.5 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4, 6], "Critical temperature": "no data K", "Density of solid": "19250 kg m<sup>-3</sup>", "Electrical resistivity": "5.4 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.5d<sup>4</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3, 4, 5, 6], "Ionic radii": {"4": 0.8, "5": 0.76, "6": 0.74}, "Liquid range": "2133 K", "Melting point": "3695 K", "Mendeleev no": 55, "Mineral hardness": "7.5", "Molar volume": "9.47 cm<sup>3</sup>", "Name": "Tungsten", "Oxidation states": [-2, -1, 1, 2, 3, 4, 5, 6], "Poissons ratio": "0.28", "Reflectivity": "62 %", "Refractive index": "no data", "Rigidity modulus": "161 GPa", "Shannon radii": {"4": {"VI": {"": {"crystal_radius": 0.8, "ionic_radius": 0.66}}}, "5": {"VI": {"": {"crystal_radius": 0.76, "ionic_radius": 0.62}}}, "6": {"IV": {"": {"crystal_radius": 0.56, "ionic_radius": 0.42}}, "V": {"": {"crystal_radius": 0.65, "ionic_radius": 0.51}}, "VI": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}}}, "Superconduction temperature": "0.015 K", "Thermal conductivity": "170 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "5174 m s<sup>-1</sup>", "Vickers hardness": "3430 MN m<sup>-2</sup>", "X": 2.36, "Youngs modulus": "411 GPa", "Metallic radius": 1.41, "iupac_ordering": 56, "IUPAC ordering": 56}, "Xe": {"Atomic mass": 131.293, "Atomic no": 54, "Atomic orbitals": {"1s": -1208.688993, "2p": -172.599583, "2s": -183.327495, "3d": -24.37823, "3p": -32.867042, "3s": -37.415454, "4d": -2.286666, "4p": -5.063802, "4s": -6.67834, "5p": -0.309835, "5s": -0.672086}, "Atomic radius": "no data", "Atomic radius calculated": 1.08, "Boiling point": "165.1 K", "Brinell hardness": "no data MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "no data x10<sup>-6</sup>K<sup>-1</sup>", "Critical temperature": "289.7 K", "Density of solid": "no data kg m<sup>-3</sup>", "Electrical resistivity": "no data 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>6</sup>", "Ionic radii": {"8": 0.62}, "Liquid range": "3.7 K", "Max oxidation state": 8.0, "Melting point": "161.4 K", "Mendeleev no": 5, "Min oxidation state": 2.0, "Mineral hardness": "no data", "Molar volume": "35.92 cm<sup>3</sup>", "Name": "Xenon", "Poissons ratio": "no data", "Reflectivity": "no data %", "Refractive index": "1.000702", "Rigidity modulus": "no data GPa", "Shannon radii": {"8": {"IV": {"": {"crystal_radius": 0.54, "ionic_radius": 0.4}}, "VI": {"": {"crystal_radius": 0.62, "ionic_radius": 0.48}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "0.00565 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 2.16, "Velocity of sound": "1090 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 2.6, "Youngs modulus": "no data GPa", "Metallic radius": "no data", "iupac_ordering": 1, "IUPAC ordering": 1}, "Y": {"Atomic mass": 88.90585, "Atomic no": 39, "Atomic orbitals": {"1s": -605.631981, "2p": -74.803201, "2s": -81.789102, "3d": -5.671499, "3p": -10.399926, "3s": -12.992217, "4d": -0.108691, "4p": -1.02449, "4s": -1.697124, "5s": -0.150727}, "Atomic radius": 1.8, "Atomic radius calculated": 2.12, "Boiling point": "3609 K", "Brinell hardness": "589 MN m<sup>-2</sup>", "Bulk modulus": "41 GPa", "Coefficient of linear thermal expansion": "10.6 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "4472 kg m<sup>-3</sup>", "Electrical resistivity": "about 60 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>1</sup>.5s<sup>2</sup>", "ICSD oxidation states": [3], "Ionic radii": {"3": 1.04}, "Liquid range": "1810 K", "Melting point": "1799 K", "Mendeleev no": 25, "Mineral hardness": "no data", "Molar volume": "19.88 cm<sup>3</sup>", "Name": "Yttrium", "Oxidation states": [1, 2, 3], "Poissons ratio": "0.24", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "26 GPa", "Shannon radii": {"3": {"VI": {"": {"crystal_radius": 1.04, "ionic_radius": 0.9}}, "VII": {"": {"crystal_radius": 1.1, "ionic_radius": 0.96}}, "VIII": {"": {"crystal_radius": 1.159, "ionic_radius": 1.019}}, "IX": {"": {"crystal_radius": 1.215, "ionic_radius": 1.075}}}}, "Superconduction temperature": "1.3  (under pressure)K", "Thermal conductivity": "17 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "3300 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.22, "Youngs modulus": "64 GPa", "Metallic radius": 1.8, "iupac_ordering": 48, "IUPAC ordering": 48}, "Yb": {"Atomic mass": 173.04, "Atomic no": 70, "Atomic orbitals": {"1s": -2084.069389, "2p": -323.178219, "2s": -337.978976, "3d": -56.026315, "3p": -68.698655, "3s": -75.47663, "4d": -6.574963, "4f": -0.286408, "4p": -11.558246, "4s": -14.312076, "5p": -0.966137, "5s": -1.683886, "6s": -0.136989}, "Atomic radius": 1.75, "Atomic radius calculated": 2.22, "Boiling point": "1469 K", "Brinell hardness": "343 MN m<sup>-2</sup>", "Bulk modulus": "31 GPa", "Coefficient of linear thermal expansion": "26.3 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [3], "Critical temperature": "no data K", "Density of solid": "6570 kg m<sup>-3</sup>", "Electrical resistivity": "25.0 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Xe].4f<sup>14</sup>.6s<sup>2</sup>", "ICSD oxidation states": [2, 3], "Ionic radii": {"2": 1.16, "3": 1.008}, "Liquid range": "372 K", "Melting point": "1097 K", "Mendeleev no": 17, "Mineral hardness": "no data", "Molar volume": "24.84 cm<sup>3</sup>", "Name": "Ytterbium", "Oxidation states": [2, 3], "Poissons ratio": "0.21", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "9.9 GPa", "Shannon radii": {"2": {"VI": {"": {"crystal_radius": 1.16, "ionic_radius": 1.02}}, "VII": {"": {"crystal_radius": 1.22, "ionic_radius": 1.08}}, "VIII": {"": {"crystal_radius": 1.28, "ionic_radius": 1.14}}}, "3": {"VI": {"": {"crystal_radius": 1.008, "ionic_radius": 0.868}}, "VII": {"": {"crystal_radius": 1.065, "ionic_radius": 0.925}}, "VIII": {"": {"crystal_radius": 1.125, "ionic_radius": 0.985}}, "IX": {"": {"crystal_radius": 1.182, "ionic_radius": 1.042}}}}, "Superconduction temperature": "no data K", "Thermal conductivity": "39 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "1590 m s<sup>-1</sup>", "Vickers hardness": "206 MN m<sup>-2</sup>", "X": 1.1, "Youngs modulus": "24 GPa", "Metallic radius": 1.94, "iupac_ordering": 34, "IUPAC ordering": 34}, "Zn": {"Atomic mass": 65.409, "Atomic no": 30, "Atomic orbitals": {"1s": -344.969756, "2p": -36.648765, "2s": -41.531323, "3d": -0.398944, "3p": -3.022363, "3s": -4.573041, "4s": -0.222725}, "Atomic radius": 1.35, "Atomic radius calculated": 1.42, "Boiling point": "1180 K", "Brinell hardness": "412 MN m<sup>-2</sup>", "Bulk modulus": "70 GPa", "Coefficient of linear thermal expansion": "30.2 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [2], "Critical temperature": "no data K", "Density of solid": "7140 kg m<sup>-3</sup>", "Electrical resistivity": "6.0 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Ar].3d<sup>10</sup>.4s<sup>2</sup>", "ICSD oxidation states": [2], "Ionic radii": {"2": 0.88}, "Liquid range": "487.32 K", "Melting point": "692.68 K", "Mendeleev no": 76, "Mineral hardness": "2.5", "Molar volume": "9.16 cm<sup>3</sup>", "Name": "Zinc", "Oxidation states": [1, 2], "Poissons ratio": "0.25", "Reflectivity": "80 %", "Refractive index": "1.002050", "Rigidity modulus": "43 GPa", "Shannon radii": {"2": {"IV": {"": {"crystal_radius": 0.74, "ionic_radius": 0.6}}, "V": {"": {"crystal_radius": 0.82, "ionic_radius": 0.68}}, "VI": {"": {"crystal_radius": 0.88, "ionic_radius": 0.74}}, "VIII": {"": {"crystal_radius": 1.04, "ionic_radius": 0.9}}}}, "Superconduction temperature": "0.85 K", "Thermal conductivity": "120 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": 1.39, "Velocity of sound": "3700 m s<sup>-1</sup>", "Vickers hardness": "no data MN m<sup>-2</sup>", "X": 1.65, "Youngs modulus": "108 GPa", "NMR Quadrupole Moment": {"Zn-67": 150.15}, "Metallic radius": 1.34, "iupac_ordering": 76, "IUPAC ordering": 76}, "Zr": {"Atomic mass": 91.224, "Atomic no": 40, "Atomic orbitals": {"1s": -639.292236, "2p": -80.010043, "2s": -87.237062, "3d": -6.544643, "3p": -11.514415, "3s": -14.230432, "4d": -0.150673, "4p": -1.186597, "4s": -1.918971, "5s": -0.162391}, "Atomic radius": 1.55, "Atomic radius calculated": 2.06, "Boiling point": "4682 K", "Brinell hardness": "650 MN m<sup>-2</sup>", "Bulk modulus": "no data GPa", "Coefficient of linear thermal expansion": "5.7 x10<sup>-6</sup>K<sup>-1</sup>", "Common oxidation states": [4], "Critical temperature": "no data K", "Density of solid": "6511 kg m<sup>-3</sup>", "Electrical resistivity": "43.3 10<sup>-8</sup> &Omega; m", "Electronic structure": "[Kr].4d<sup>2</sup>.5s<sup>2</sup>", "ICSD oxidation states": [2, 3, 4], "Ionic radii": {"4": 0.86}, "Liquid range": "2554 K", "Melting point": "2128 K", "Mendeleev no": 49, "Mineral hardness": "5.0", "Molar volume": "14.02 cm<sup>3</sup>", "Name": "Zirconium", "Oxidation states": [1, 2, 3, 4], "Poissons ratio": "0.34", "Reflectivity": "no data %", "Refractive index": "no data", "Rigidity modulus": "33 GPa", "Shannon radii": {"4": {"IV": {"": {"crystal_radius": 0.73, "ionic_radius": 0.59}}, "V": {"": {"crystal_radius": 0.8, "ionic_radius": 0.66}}, "VI": {"": {"crystal_radius": 0.86, "ionic_radius": 0.72}}, "VII": {"": {"crystal_radius": 0.92, "ionic_radius": 0.78}}, "VIII": {"": {"crystal_radius": 0.98, "ionic_radius": 0.84}}, "IX": {"": {"crystal_radius": 1.03, "ionic_radius": 0.89}}}}, "Superconduction temperature": "0.61 K", "Thermal conductivity": "23 W m<sup>-1</sup> K<sup>-1</sup>", "Van der waals radius": "no data", "Velocity of sound": "3800 m s<sup>-1</sup>", "Vickers hardness": "903 MN m<sup>-2</sup>", "X": 1.33, "Youngs modulus": "68 GPa", "Metallic radius": 1.602, "iupac_ordering": 51, "IUPAC ordering": 51}}