# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    R. Rollefson and R. Havens.
    Index of refraction of methane in the infra-red and the dipole moment of the CH bond.
    <a href="https://doi.org/10.1103/PhysRev.57.710"><i>Phys. Rev.</i> <b>57</b>, 710-717 (1940)</a>
COMMENTS: |
    Gaseous methane at standard conditions. 0 °C, 760 torr (101.325 kPa).
DATA:
  - type: tabulated n
    data: |
        1.68 1.00043650
        1.94 1.00043570
        2.67 1.00043270
        2.79 1.00043150
        2.96 1.00042780
        3.00 1.00042585
        3.64 1.00044525
        3.75 1.00044280
        3.90 1.00044110
        4.04 1.00044010
        4.45 1.00043780
        4.57 1.00043730
        4.70 1.00043680
        5.06 1.00043580
        5.40 1.00043455
        5.60 1.00043400
        5.84 1.00043260
        5.98 1.00043205
        6.33 1.00042905
        6.56 1.00042630
        6.79 1.00042180
        6.94 1.00041680
        7.00 1.00041360
        8.36 1.00046650
        8.42 1.00046360
        8.48 1.00046200
        8.57 1.00046030
        8.63 1.00045900
        8.70 1.00045770
        8.80 1.00045600
        8.89 1.00045470
        8.95 1.00045380
        9.05 1.00045340
        9.20 1.00045220
        9.41 1.00045090
        9.52 1.00045060
        9.73 1.00044960
        10.11 1.00044860
        10.28 1.00044760
        10.38 1.00044770
        10.80 1.00044650
        10.94 1.00044670
        11.46 1.00044710
        11.89 1.00044530
        12.36 1.00044580
        13.20 1.00044500
        13.60 1.00044370
        14.00 1.00044840
        14.80 1.00044380
CONDITIONS:
    temperature: 273.15
    pressure: 101325