# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    T. Klinavičius, A. Tamulevičienė, T. Tamulevičius.
    How to select the proper gold permittivity for generating training data for deep neural networks for analysis of the nanoparticle colloid size distributions from their UV–Vis–NIR extinction spectra?
    <a href="https://doi.org/10.1021/acs.jpcc.5c03973"><i>J. Phys. Chem. C</i> <b>129</b>, 17616-17631 (2025)</a>
    (See Supporting information)
COMMENTS: |
    7.2 nm average radius chemically synthesized spherical gold nanoparticles. Colloid solution in water.
DATA:
  - type: tabulated nk
    data: |
        0.400 1.6235960 1.9442423
        0.401 1.6253574 1.9453623
        0.402 1.6270015 1.9463738
        0.403 1.6285265 1.9472784
        0.404 1.6299310 1.9480774
        0.405 1.6312133 1.9487726
        0.406 1.6323718 1.9493657
        0.407 1.6334049 1.9498587
        0.408 1.6343108 1.9502533
        0.409 1.6350880 1.9505517
        0.410 1.6357347 1.9507559
        0.411 1.6362492 1.9508683
        0.412 1.6366298 1.9508911
        0.413 1.6368747 1.9508269
        0.414 1.6369822 1.9506780
        0.415 1.6369506 1.9504471
        0.416 1.6367780 1.9501369
        0.417 1.6364626 1.9497503
        0.418 1.6360028 1.9492900
        0.419 1.6353966 1.9487592
        0.420 1.6346422 1.9481608
        0.421 1.6337380 1.9474979
        0.422 1.6326820 1.9467740
        0.423 1.6314726 1.9459921
        0.424 1.6301078 1.9451559
        0.425 1.6285860 1.9442686
        0.426 1.6269053 1.9433340
        0.427 1.6250641 1.9423556
        0.428 1.6230605 1.9413372
        0.429 1.6208929 1.9402826
        0.430 1.6185596 1.9391955
        0.431 1.6160590 1.9380800
        0.432 1.6133894 1.9369400
        0.433 1.6105492 1.9357796
        0.434 1.6075369 1.9346029
        0.435 1.6043511 1.9334141
        0.436 1.6009902 1.9322174
        0.437 1.5974530 1.9310170
        0.438 1.5937379 1.9298175
        0.439 1.5898439 1.9286231
        0.440 1.5857696 1.9274382
        0.441 1.5815141 1.9262674
        0.442 1.5770761 1.9251151
        0.443 1.5724548 1.9239860
        0.444 1.5676493 1.9228846
        0.445 1.5626589 1.9218155
        0.446 1.5574828 1.9207834
        0.447 1.5521205 1.9197930
        0.448 1.5465715 1.9188489
        0.449 1.5408356 1.9179559
        0.450 1.5349124 1.9171186
        0.451 1.5288020 1.9163419
        0.452 1.5225043 1.9156304
        0.453 1.5160196 1.9149889
        0.454 1.5093482 1.9144221
        0.455 1.5024906 1.9139348
        0.456 1.4954475 1.9135315
        0.457 1.4882196 1.9132172
        0.458 1.4808080 1.9129963
        0.459 1.4732138 1.9128736
        0.460 1.4654384 1.9128536
        0.461 1.4574833 1.9129410
        0.462 1.4493502 1.9131401
        0.463 1.4410410 1.9134556
        0.464 1.4325578 1.9138917
        0.465 1.4239030 1.9144529
        0.466 1.4150789 1.9151433
        0.467 1.4060885 1.9159673
        0.468 1.3969345 1.9169287
        0.469 1.3876202 1.9180318
        0.470 1.3781488 1.9192802
        0.471 1.3685240 1.9206779
        0.472 1.3587496 1.9222284
        0.473 1.3488295 1.9239354
        0.474 1.3387680 1.9258020
        0.475 1.3285695 1.9278317
        0.476 1.3182386 1.9300274
        0.477 1.3077803 1.9323922
        0.478 1.2971995 1.9349286
        0.479 1.2865014 1.9376393
        0.480 1.2756916 1.9405266
        0.481 1.2647757 1.9435926
        0.482 1.2537594 1.9468394
        0.483 1.2426488 1.9502685
        0.484 1.2314499 1.9538816
        0.485 1.2201692 1.9576799
        0.486 1.2088129 1.9616644
        0.487 1.1973876 1.9658358
        0.488 1.1859001 1.9701948
        0.489 1.1743570 1.9747415
        0.490 1.1627653 1.9794759
        0.491 1.1511318 1.9843979
        0.492 1.1394636 1.9895069
        0.493 1.1277676 1.9948021
        0.494 1.1160510 2.0002824
        0.495 1.1043207 2.0059465
        0.496 1.0925839 2.0117928
        0.497 1.0808475 2.0178195
        0.498 1.0691185 2.0240245
        0.499 1.0574038 2.0304055
        0.500 1.0457103 2.0369597
        0.501 1.0340448 2.0436844
        0.502 1.0224138 2.0505766
        0.503 1.0108239 2.0576329
        0.504 0.9992815 2.0648498
        0.505 0.9877928 2.0722238
        0.506 0.9763638 2.0797508
        0.507 0.9650005 2.0874270
        0.508 0.9537086 2.0952480
        0.509 0.9424935 2.1032096
        0.510 0.9313605 2.1113073
        0.511 0.9203147 2.1195365
        0.512 0.9093611 2.1278926
        0.513 0.8985041 2.1363708
        0.514 0.8877481 2.1449662
        0.515 0.8770974 2.1536741
        0.516 0.8665559 2.1624895
        0.517 0.8561272 2.1714075
        0.518 0.8458148 2.1804232
        0.519 0.8356217 2.1895316
        0.520 0.8255511 2.1987278
        0.521 0.8156056 2.2080069
        0.522 0.8057877 2.2173642
        0.523 0.7960997 2.2267948
        0.524 0.7865435 2.2362941
        0.525 0.7771209 2.2458574
        0.526 0.7678337 2.2554803
        0.527 0.7586830 2.2651581
        0.528 0.7496702 2.2748867
        0.529 0.7407961 2.2846619
        0.530 0.7320617 2.2944794
        0.531 0.7234674 2.3043353
        0.532 0.7150138 2.3142259
        0.533 0.7067010 2.3241473
        0.534 0.6985293 2.3340959
        0.535 0.6904986 2.3440684
        0.536 0.6826086 2.3540615
        0.537 0.6748591 2.3640720
        0.538 0.6672497 2.3740968
        0.539 0.6597797 2.3841331
        0.540 0.6524486 2.3941782
        0.541 0.6452554 2.4042296
        0.542 0.6381994 2.4142847
        0.543 0.6312796 2.4243412
        0.544 0.6244948 2.4343971
        0.545 0.6178440 2.4444502
        0.546 0.6113260 2.4544988
        0.547 0.6049395 2.4645410
        0.548 0.5986831 2.4745752
        0.549 0.5925554 2.4846000
        0.550 0.5865551 2.4946139
        0.551 0.5806805 2.5046156
        0.552 0.5749302 2.5146041
        0.553 0.5693026 2.5245783
        0.554 0.5637961 2.5345372
        0.555 0.5584090 2.5444800
        0.556 0.5531397 2.5544061
        0.557 0.5479865 2.5643147
        0.558 0.5429477 2.5742054
        0.559 0.5380216 2.5840775
        0.560 0.5332064 2.5939309
        0.561 0.5285005 2.6037652
        0.562 0.5239020 2.6135801
        0.563 0.5194092 2.6233755
        0.564 0.5150203 2.6331513
        0.565 0.5107337 2.6429075
        0.566 0.5065474 2.6526440
        0.567 0.5024599 2.6623611
        0.568 0.4984692 2.6720588
        0.569 0.4945738 2.6817372
        0.570 0.4907718 2.6913967
        0.571 0.4870615 2.7010375
        0.572 0.4834412 2.7106598
        0.573 0.4799093 2.7202641
        0.574 0.4764639 2.7298506
        0.575 0.4731035 2.7394198
        0.576 0.4698263 2.7489721
        0.577 0.4666307 2.7585078
        0.578 0.4635152 2.7680276
        0.579 0.4604780 2.7775318
        0.580 0.4575175 2.7870209
        0.581 0.4546322 2.7964955
        0.582 0.4518206 2.8059560
        0.583 0.4490810 2.8154029
        0.584 0.4464120 2.8248369
        0.585 0.4438120 2.8342583
        0.586 0.4412796 2.8436678
        0.587 0.4388132 2.8530659
        0.588 0.4364116 2.8624531
        0.589 0.4340731 2.8718299
        0.590 0.4317964 2.8811969
        0.591 0.4295802 2.8905545
        0.592 0.4274230 2.8999033
        0.593 0.4253236 2.9092439
        0.594 0.4232806 2.9185766
        0.595 0.4212927 2.9279021
        0.596 0.4193586 2.9372207
        0.597 0.4174771 2.9465329
        0.598 0.4156470 2.9558393
        0.599 0.4138670 2.9651402
        0.600 0.4121359 2.9744361
        0.601 0.4104526 2.9837274
        0.602 0.4088159 2.9930145
        0.603 0.4072247 3.0022978
        0.604 0.4056779 3.0115778
        0.605 0.4041744 3.0208547
        0.606 0.4027132 3.0301290
        0.607 0.4012931 3.0394009
        0.608 0.3999132 3.0486709
        0.609 0.3985725 3.0579391
        0.610 0.3972699 3.0672060
        0.611 0.3960045 3.0764718
        0.612 0.3947755 3.0857367
        0.613 0.3935817 3.0950011
        0.614 0.3924224 3.1042651
        0.615 0.3912967 3.1135290
        0.616 0.3902037 3.1227930
        0.617 0.3891425 3.1320574
        0.618 0.3881123 3.1413222
        0.619 0.3871123 3.1505877
        0.620 0.3861417 3.1598541
        0.621 0.3851998 3.1691214
        0.622 0.3842857 3.1783898
        0.623 0.3833988 3.1876595
        0.624 0.3825383 3.1969306
        0.625 0.3817034 3.2062031
        0.626 0.3808937 3.2154771
        0.627 0.3801082 3.2247527
        0.628 0.3793465 3.2340301
        0.629 0.3786078 3.2433092
        0.630 0.3778915 3.2525901
        0.631 0.3771971 3.2618728
        0.632 0.3765238 3.2711574
        0.633 0.3758712 3.2804438
        0.634 0.3752387 3.2897322
        0.635 0.3746258 3.2990224
        0.636 0.3740318 3.3083146
        0.637 0.3734563 3.3176086
        0.638 0.3728988 3.3269044
        0.639 0.3723587 3.3362021
        0.640 0.3718356 3.3455016
        0.641 0.3713291 3.3548028
        0.642 0.3708386 3.3641057
        0.643 0.3703637 3.3734103
        0.644 0.3699041 3.3827164
        0.645 0.3694592 3.3920241
        0.646 0.3690286 3.4013332
        0.647 0.3686121 3.4106436
        0.648 0.3682091 3.4199554
        0.649 0.3678193 3.4292684
        0.650 0.3674424 3.4385824
        0.651 0.3670780 3.4478975
        0.652 0.3667258 3.4572135
        0.653 0.3663853 3.4665303
        0.654 0.3660564 3.4758479
        0.655 0.3657386 3.4851660
        0.656 0.3654317 3.4944846
        0.657 0.3651355 3.5038036
        0.658 0.3648495 3.5131229
        0.659 0.3645735 3.5224423
        0.660 0.3643074 3.5317617
        0.661 0.3640507 3.5410810
        0.662 0.3638032 3.5504000
        0.663 0.3635648 3.5597187
        0.664 0.3633351 3.5690369
        0.665 0.3631140 3.5783544
        0.666 0.3629012 3.5876712
        0.667 0.3626965 3.5969871
        0.668 0.3624997 3.6063019
        0.669 0.3623106 3.6156155
        0.670 0.3621289 3.6249278
        0.671 0.3619547 3.6342386
        0.672 0.3617875 3.6435478
        0.673 0.3616273 3.6528553
        0.674 0.3614739 3.6621608
        0.675 0.3613271 3.6714643
        0.676 0.3611868 3.6807656
        0.677 0.3610528 3.6900645
        0.678 0.3609250 3.6993609
        0.679 0.3608032 3.7086547
        0.680 0.3606873 3.7179456
        0.681 0.3605772 3.7272336
        0.682 0.3604727 3.7365185
        0.683 0.3603737 3.7458001
        0.684 0.3602800 3.7550784
        0.685 0.3601917 3.7643530
        0.686 0.3601085 3.7736239
        0.687 0.3600304 3.7828910
        0.688 0.3599573 3.7921540
        0.689 0.3598890 3.8014128
        0.690 0.3598254 3.8106672
        0.691 0.3597665 3.8199172
        0.692 0.3597123 3.8291625
        0.693 0.3596625 3.8384030
        0.694 0.3596171 3.8476386
        0.695 0.3595761 3.8568689
        0.696 0.3595393 3.8660941
        0.697 0.3595068 3.8753137
        0.698 0.3594783 3.8845278
        0.699 0.3594539 3.8937361
        0.700 0.3594335 3.9029385
        0.701 0.3594171 3.9121348
        0.702 0.3594045 3.9213249
        0.703 0.3593957 3.9305086
        0.704 0.3593907 3.9396857
        0.705 0.3593894 3.9488562
        0.706 0.3593917 3.9580198
        0.707 0.3593977 3.9671763
        0.708 0.3594072 3.9763257
        0.709 0.3594203 3.9854677
        0.710 0.3594368 3.9946022
        0.711 0.3594568 4.0037291
        0.712 0.3594802 4.0128481
        0.713 0.3595069 4.0219592
        0.714 0.3595370 4.0310621
        0.715 0.3595703 4.0401567
        0.716 0.3596070 4.0492429
        0.717 0.3596468 4.0583204
        0.718 0.3596899 4.0673892
        0.719 0.3597361 4.0764491
        0.720 0.3597855 4.0854998
        0.721 0.3598380 4.0945413
        0.722 0.3598936 4.1035734
        0.723 0.3599523 4.1125959
        0.724 0.3600140 4.1216087
        0.725 0.3600788 4.1306116
        0.726 0.3601466 4.1396045
        0.727 0.3602174 4.1485871
        0.728 0.3602911 4.1575594
        0.729 0.3603679 4.1665211
        0.730 0.3604475 4.1754722
        0.731 0.3605301 4.1844124
        0.732 0.3606156 4.1933416
        0.733 0.3607041 4.2022596
        0.734 0.3607954 4.2111663
        0.735 0.3608895 4.2200616
        0.736 0.3609866 4.2289452
        0.737 0.3610865 4.2378170
        0.738 0.3611892 4.2466768
        0.739 0.3612948 4.2555245
        0.740 0.3614032 4.2643599
        0.741 0.3615145 4.2731829
        0.742 0.3616285 4.2819933
        0.743 0.3617454 4.2907909
        0.744 0.3618650 4.2995756
        0.745 0.3619875 4.3083472
        0.746 0.3621127 4.3171056
        0.747 0.3622407 4.3258506
        0.748 0.3623715 4.3345820
        0.749 0.3625050 4.3432998
        0.750 0.3626414 4.3520036
        0.751 0.3627805 4.3606934
        0.752 0.3629223 4.3693690
        0.753 0.3630669 4.3780303
        0.754 0.3632143 4.3866771
        0.755 0.3633644 4.3953092
        0.756 0.3635173 4.4039265
        0.757 0.3636730 4.4125287
        0.758 0.3638313 4.4211159
        0.759 0.3639925 4.4296877
        0.760 0.3641564 4.4382441
        0.761 0.3643230 4.4467849
        0.762 0.3644924 4.4553099
        0.763 0.3646646 4.4638189
        0.764 0.3648395 4.4723119
        0.765 0.3650171 4.4807886
        0.766 0.3651975 4.4892489
        0.767 0.3653807 4.4976926
        0.768 0.3655666 4.5061196
        0.769 0.3657552 4.5145298
        0.770 0.3659467 4.5229229
        0.771 0.3661409 4.5312988
        0.772 0.3663378 4.5396573
        0.773 0.3665375 4.5479983
        0.774 0.3667400 4.5563217
        0.775 0.3669453 4.5646273
        0.776 0.3671533 4.5729148
        0.777 0.3673641 4.5811843
        0.778 0.3675777 4.5894354
        0.779 0.3677941 4.5976681
        0.780 0.3680133 4.6058822
        0.781 0.3682352 4.6140775
        0.782 0.3684600 4.6222539
        0.783 0.3686875 4.6304112
        0.784 0.3689178 4.6385493
        0.785 0.3691510 4.6466681
        0.786 0.3693870 4.6547673
        0.787 0.3696258 4.6628468
        0.788 0.3698674 4.6709064
        0.789 0.3701118 4.6789461
        0.790 0.3703590 4.6869656
        0.791 0.3706091 4.6949648
        0.792 0.3708621 4.7029435
        0.793 0.3711178 4.7109016
        0.794 0.3713765 4.7188390
        0.795 0.3716379 4.7267554
        0.796 0.3719023 4.7346508
        0.797 0.3721695 4.7425249
        0.798 0.3724395 4.7503777
        0.799 0.3727125 4.7582089
        0.800 0.3729883 4.7660184
        0.801 0.3732670 4.7738062
        0.802 0.3735487 4.7815719
        0.803 0.3738332 4.7893155
        0.804 0.3741206 4.7970368
        0.805 0.3744109 4.8047357
        0.806 0.3747042 4.8124119
        0.807 0.3750004 4.8200655
        0.808 0.3752995 4.8276962
        0.809 0.3756015 4.8353038
        0.810 0.3759065 4.8428882
        0.811 0.3762144 4.8504494
        0.812 0.3765253 4.8579870
        0.813 0.3768392 4.8655010
        0.814 0.3771560 4.8729912
        0.815 0.3774758 4.8804575
        0.816 0.3777986 4.8878998
        0.817 0.3781244 4.8953178
        0.818 0.3784532 4.9027115
        0.819 0.3787850 4.9100806
        0.820 0.3791198 4.9174251
        0.821 0.3794576 4.9247448
        0.822 0.3797985 4.9320395
        0.823 0.3801424 4.9393092
        0.824 0.3804893 4.9465536
        0.825 0.3808393 4.9537727
        0.826 0.3811924 4.9609662
        0.827 0.3815485 4.9681340
        0.828 0.3819077 4.9752761
        0.829 0.3822700 4.9823922
        0.830 0.3826353 4.9894822
        0.831 0.3830038 4.9965460
        0.832 0.3833754 5.0035834
        0.833 0.3837501 5.0105943
        0.834 0.3841279 5.0175785
        0.835 0.3845089 5.0245360
        0.836 0.3848930 5.0314665
        0.837 0.3852802 5.0383699
        0.838 0.3856707 5.0452461
        0.839 0.3860642 5.0520950
        0.840 0.3864610 5.0589164
        0.841 0.3868610 5.0657102
        0.842 0.3872641 5.0724762
        0.843 0.3876705 5.0792143
        0.844 0.3880800 5.0859244
        0.845 0.3884928 5.0926063
        0.846 0.3889088 5.0992599
        0.847 0.3893281 5.1058850
        0.848 0.3897506 5.1124816
        0.849 0.3901764 5.1190495
        0.850 0.3906055 5.1255886
        0.851 0.3910378 5.1320986
        0.852 0.3914734 5.1385796
        0.853 0.3919123 5.1450313
        0.854 0.3923546 5.1514537
        0.855 0.3928001 5.1578466
        0.856 0.3932490 5.1642099
        0.857 0.3937013 5.1705434
        0.858 0.3941568 5.1768470
        0.859 0.3946158 5.1831206
        0.860 0.3950781 5.1893640
        0.861 0.3955438 5.1955772
        0.862 0.3960129 5.2017600
        0.863 0.3964854 5.2079123
        0.864 0.3969613 5.2140340
        0.865 0.3974407 5.2201248
        0.866 0.3979234 5.2261848
        0.867 0.3984097 5.2322137
        0.868 0.3988994 5.2382116
        0.869 0.3993925 5.2441781
        0.870 0.3998892 5.2501133
        0.871 0.4003893 5.2560169
        0.872 0.4008930 5.2618889
        0.873 0.4014001 5.2677292
        0.874 0.4019108 5.2735376
        0.875 0.4024250 5.2793140
        0.876 0.4029428 5.2850583
        0.877 0.4034642 5.2907704
        0.878 0.4039891 5.2964501
        0.879 0.4045176 5.3020974
        0.880 0.4050497 5.3077121
        0.881 0.4055855 5.3132941
        0.882 0.4061248 5.3188432
        0.883 0.4066678 5.3243595
        0.884 0.4072145 5.3298428
        0.885 0.4077648 5.3352928
        0.886 0.4083187 5.3407097
        0.887 0.4088764 5.3460931
        0.888 0.4094378 5.3514431
        0.889 0.4100029 5.3567595
        0.890 0.4105717 5.3620422
        0.891 0.4111443 5.3672910
        0.892 0.4117206 5.3725060
        0.893 0.4123007 5.3776869
        0.894 0.4128845 5.3828337
        0.895 0.4134722 5.3879462
        0.896 0.4140637 5.3930244
        0.897 0.4146590 5.3980682
        0.898 0.4152581 5.4030774
        0.899 0.4158611 5.4080519
        0.900 0.4164679 5.4129917