# 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: |
    40.0 nm average radius chemically synthesized spherical gold nanoparticles. Colloid solution in water.
DATA:
  - type: tabulated nk
    data: |
        0.400 1.5745904 1.8914510
        0.401 1.5756918 1.8908777
        0.402 1.5767368 1.8901944
        0.403 1.5777243 1.8894027
        0.404 1.5786531 1.8885046
        0.405 1.5795218 1.8875019
        0.406 1.5803289 1.8863968
        0.407 1.5810730 1.8851916
        0.408 1.5817523 1.8838887
        0.409 1.5823652 1.8824906
        0.410 1.5829099 1.8810000
        0.411 1.5833844 1.8794196
        0.412 1.5837867 1.8777526
        0.413 1.5841149 1.8760019
        0.414 1.5843665 1.8741708
        0.415 1.5845394 1.8722627
        0.416 1.5846312 1.8702811
        0.417 1.5846393 1.8682296
        0.418 1.5845613 1.8661121
        0.419 1.5843943 1.8639325
        0.420 1.5841357 1.8616948
        0.421 1.5837825 1.8594032
        0.422 1.5833319 1.8570620
        0.423 1.5827808 1.8546756
        0.424 1.5821260 1.8522487
        0.425 1.5813644 1.8497858
        0.426 1.5804927 1.8472917
        0.427 1.5795076 1.8447714
        0.428 1.5784056 1.8422299
        0.429 1.5771833 1.8396722
        0.430 1.5758371 1.8371037
        0.431 1.5743634 1.8345295
        0.432 1.5727587 1.8319551
        0.433 1.5710192 1.8293861
        0.434 1.5691412 1.8268279
        0.435 1.5671210 1.8242862
        0.436 1.5649549 1.8217668
        0.437 1.5626391 1.8192755
        0.438 1.5601698 1.8168181
        0.439 1.5575434 1.8144006
        0.440 1.5547560 1.8120290
        0.441 1.5518040 1.8097094
        0.442 1.5486837 1.8074477
        0.443 1.5453915 1.8052502
        0.444 1.5419239 1.8031230
        0.445 1.5382773 1.8010724
        0.446 1.5344483 1.7991045
        0.447 1.5304337 1.7972257
        0.448 1.5262302 1.7954422
        0.449 1.5218348 1.7937603
        0.450 1.5172445 1.7921863
        0.451 1.5124564 1.7907265
        0.452 1.5074679 1.7893872
        0.453 1.5022766 1.7881748
        0.454 1.4968801 1.7870953
        0.455 1.4912763 1.7861552
        0.456 1.4854633 1.7853607
        0.457 1.4794395 1.7847178
        0.458 1.4732033 1.7842329
        0.459 1.4667536 1.7839119
        0.460 1.4600894 1.7837609
        0.461 1.4532102 1.7837859
        0.462 1.4461154 1.7839928
        0.463 1.4388051 1.7843874
        0.464 1.4312794 1.7849754
        0.465 1.4235389 1.7857625
        0.466 1.4155846 1.7867542
        0.467 1.4074176 1.7879559
        0.468 1.3990395 1.7893728
        0.469 1.3904522 1.7910100
        0.470 1.3816580 1.7928726
        0.471 1.3726597 1.7949653
        0.472 1.3634603 1.7972927
        0.473 1.3540632 1.7998591
        0.474 1.3444722 1.8026689
        0.475 1.3346915 1.8057259
        0.476 1.3247258 1.8090339
        0.477 1.3145800 1.8125962
        0.478 1.3042594 1.8164162
        0.479 1.2937699 1.8204966
        0.480 1.2831174 1.8248400
        0.481 1.2723085 1.8294487
        0.482 1.2613500 1.8343246
        0.483 1.2502490 1.8394693
        0.484 1.2390129 1.8448838
        0.485 1.2276496 1.8505691
        0.486 1.2161670 1.8565256
        0.487 1.2045735 1.8627531
        0.488 1.1928776 1.8692514
        0.489 1.1810880 1.8760195
        0.490 1.1692138 1.8830562
        0.491 1.1572639 1.8903597
        0.492 1.1452477 1.8979279
        0.493 1.1331744 1.9057582
        0.494 1.1210535 1.9138475
        0.495 1.1088943 1.9221924
        0.496 1.0967064 1.9307889
        0.497 1.0844991 1.9396326
        0.498 1.0722818 1.9487190
        0.499 1.0600637 1.9580427
        0.500 1.0478540 1.9675982
        0.501 1.0356617 1.9773797
        0.502 1.0234956 1.9873810
        0.503 1.0113643 1.9975954
        0.504 0.9992761 2.0080160
        0.505 0.9872393 2.0186358
        0.506 0.9752615 2.0294474
        0.507 0.9633505 2.0404431
        0.508 0.9515134 2.0516152
        0.509 0.9397571 2.0629556
        0.510 0.9280883 2.0744564
        0.511 0.9165131 2.0861093
        0.512 0.9050373 2.0979060
        0.513 0.8936667 2.1098383
        0.514 0.8824061 2.1218978
        0.515 0.8712605 2.1340762
        0.516 0.8602343 2.1463652
        0.517 0.8493315 2.1587566
        0.518 0.8385558 2.1712423
        0.519 0.8279106 2.1838144
        0.520 0.8173989 2.1964648
        0.521 0.8070233 2.2091859
        0.522 0.7967863 2.2219702
        0.523 0.7866899 2.2348102
        0.524 0.7767358 2.2476989
        0.525 0.7669256 2.2606292
        0.526 0.7572603 2.2735944
        0.527 0.7477410 2.2865882
        0.528 0.7383683 2.2996041
        0.529 0.7291427 2.3126364
        0.530 0.7200644 2.3256791
        0.531 0.7111335 2.3387269
        0.532 0.7023498 2.3517745
        0.533 0.6937129 2.3648171
        0.534 0.6852225 2.3778500
        0.535 0.6768777 2.3908687
        0.536 0.6686778 2.4038691
        0.537 0.6606219 2.4168475
        0.538 0.6527090 2.4298000
        0.539 0.6449379 2.4427235
        0.540 0.6373073 2.4556147
        0.541 0.6298159 2.4684709
        0.542 0.6224624 2.4812894
        0.543 0.6152451 2.4940678
        0.544 0.6081626 2.5068039
        0.545 0.6012133 2.5194959
        0.546 0.5943955 2.5321419
        0.547 0.5877075 2.5447405
        0.548 0.5811476 2.5572904
        0.549 0.5747140 2.5697903
        0.550 0.5684051 2.5822394
        0.551 0.5622189 2.5946368
        0.552 0.5561537 2.6069820
        0.553 0.5502076 2.6192745
        0.554 0.5443788 2.6315140
        0.555 0.5386656 2.6437003
        0.556 0.5330660 2.6558334
        0.557 0.5275782 2.6679134
        0.558 0.5222005 2.6799405
        0.559 0.5169310 2.6919150
        0.560 0.5117680 2.7038374
        0.561 0.5067095 2.7157082
        0.562 0.5017540 2.7275281
        0.563 0.4968995 2.7392977
        0.564 0.4921444 2.7510177
        0.565 0.4874869 2.7626892
        0.566 0.4829254 2.7743129
        0.567 0.4784582 2.7858899
        0.568 0.4740835 2.7974211
        0.569 0.4697998 2.8089078
        0.570 0.4656055 2.8203509
        0.571 0.4614989 2.8317516
        0.572 0.4574784 2.8431111
        0.573 0.4535426 2.8544307
        0.574 0.4496899 2.8657116
        0.575 0.4459188 2.8769549
        0.576 0.4422278 2.8881620
        0.577 0.4386155 2.8993342
        0.578 0.4350803 2.9104728
        0.579 0.4316210 2.9215789
        0.580 0.4282361 2.9326540
        0.581 0.4249243 2.9436992
        0.582 0.4216841 2.9547159
        0.583 0.4185144 2.9657054
        0.584 0.4154137 2.9766688
        0.585 0.4123809 2.9876075
        0.586 0.4094146 2.9985226
        0.587 0.4065137 3.0094154
        0.588 0.4036768 3.0202870
        0.589 0.4009029 3.0311387
        0.590 0.3981908 3.0419715
        0.591 0.3955392 3.0527866
        0.592 0.3929471 3.0635851
        0.593 0.3904134 3.0743680
        0.594 0.3879369 3.0851365
        0.595 0.3855166 3.0958914
        0.596 0.3831515 3.1066338
        0.597 0.3808404 3.1173646
        0.598 0.3785824 3.1280848
        0.599 0.3763765 3.1387953
        0.600 0.3742217 3.1494968
        0.601 0.3721170 3.1601904
        0.602 0.3700614 3.1708766
        0.603 0.3680541 3.1815564
        0.604 0.3660941 3.1922305
        0.605 0.3641805 3.2028996
        0.606 0.3623124 3.2135643
        0.607 0.3604889 3.2242253
        0.608 0.3587093 3.2348832
        0.609 0.3569725 3.2455386
        0.610 0.3552779 3.2561921
        0.611 0.3536246 3.2668442
        0.612 0.3520117 3.2774954
        0.613 0.3504386 3.2881462
        0.614 0.3489044 3.2987971
        0.615 0.3474083 3.3094484
        0.616 0.3459497 3.3201005
        0.617 0.3445277 3.3307538
        0.618 0.3431417 3.3414088
        0.619 0.3417909 3.3520656
        0.620 0.3404747 3.3627246
        0.621 0.3391924 3.3733860
        0.622 0.3379432 3.3840502
        0.623 0.3367265 3.3947173
        0.624 0.3355418 3.4053876
        0.625 0.3343882 3.4160612
        0.626 0.3332652 3.4267384
        0.627 0.3321722 3.4374193
        0.628 0.3311086 3.4481039
        0.629 0.3300738 3.4587925
        0.630 0.3290671 3.4694852
        0.631 0.3280881 3.4801820
        0.632 0.3271361 3.4908830
        0.633 0.3262106 3.5015882
        0.634 0.3253110 3.5122977
        0.635 0.3244369 3.5230116
        0.636 0.3235876 3.5337298
        0.637 0.3227627 3.5444524
        0.638 0.3219616 3.5551793
        0.639 0.3211839 3.5659106
        0.640 0.3204290 3.5766461
        0.641 0.3196966 3.5873859
        0.642 0.3189860 3.5981299
        0.643 0.3182970 3.6088781
        0.644 0.3176289 3.6196303
        0.645 0.3169814 3.6303866
        0.646 0.3163540 3.6411468
        0.647 0.3157462 3.6519108
        0.648 0.3151578 3.6626786
        0.649 0.3145882 3.6734500
        0.650 0.3140371 3.6842249
        0.651 0.3135041 3.6950033
        0.652 0.3129887 3.7057849
        0.653 0.3124906 3.7165697
        0.654 0.3120094 3.7273576
        0.655 0.3115448 3.7381483
        0.656 0.3110964 3.7489418
        0.657 0.3106639 3.7597379
        0.658 0.3102469 3.7705365
        0.659 0.3098450 3.7813374
        0.660 0.3094580 3.7921405
        0.661 0.3090855 3.8029455
        0.662 0.3087272 3.8137524
        0.663 0.3083828 3.8245610
        0.664 0.3080520 3.8353711
        0.665 0.3077345 3.8461825
        0.666 0.3074301 3.8569951
        0.667 0.3071383 3.8678087
        0.668 0.3068590 3.8786231
        0.669 0.3065919 3.8894381
        0.670 0.3063368 3.9002536
        0.671 0.3060933 3.9110694
        0.672 0.3058612 3.9218853
        0.673 0.3056403 3.9327011
        0.674 0.3054303 3.9435166
        0.675 0.3052310 3.9543317
        0.676 0.3050422 3.9651462
        0.677 0.3048636 3.9759598
        0.678 0.3046950 3.9867724
        0.679 0.3045362 3.9975838
        0.680 0.3043871 4.0083938
        0.681 0.3042473 4.0192022
        0.682 0.3041167 4.0300089
        0.683 0.3039951 4.0408135
        0.684 0.3038824 4.0516161
        0.685 0.3037783 4.0624162
        0.686 0.3036826 4.0732138
        0.687 0.3035952 4.0840087
        0.688 0.3035159 4.0948006
        0.689 0.3034445 4.1055894
        0.690 0.3033810 4.1163748
        0.691 0.3033250 4.1271568
        0.692 0.3032765 4.1379350
        0.693 0.3032354 4.1487093
        0.694 0.3032014 4.1594795
        0.695 0.3031744 4.1702453
        0.696 0.3031543 4.1810067
        0.697 0.3031410 4.1917634
        0.698 0.3031343 4.2025151
        0.699 0.3031341 4.2132618
        0.700 0.3031403 4.2240032
        0.701 0.3031527 4.2347390
        0.702 0.3031713 4.2454692
        0.703 0.3031959 4.2561935
        0.704 0.3032264 4.2669117
        0.705 0.3032627 4.2776236
        0.706 0.3033048 4.2883291
        0.707 0.3033524 4.2990278
        0.708 0.3034055 4.3097197
        0.709 0.3034641 4.3204045
        0.710 0.3035279 4.3310820
        0.711 0.3035970 4.3417520
        0.712 0.3036713 4.3524144
        0.713 0.3037506 4.3630689
        0.714 0.3038348 4.3737153
        0.715 0.3039240 4.3843535
        0.716 0.3040180 4.3949831
        0.717 0.3041167 4.4056042
        0.718 0.3042201 4.4162163
        0.719 0.3043281 4.4268194
        0.720 0.3044406 4.4374132
        0.721 0.3045576 4.4479975
        0.722 0.3046790 4.4585722
        0.723 0.3048047 4.4691370
        0.724 0.3049348 4.4796918
        0.725 0.3050690 4.4902363
        0.726 0.3052074 4.5007703
        0.727 0.3053500 4.5112936
        0.728 0.3054966 4.5218062
        0.729 0.3056472 4.5323076
        0.730 0.3058018 4.5427978
        0.731 0.3059604 4.5532765
        0.732 0.3061228 4.5637436
        0.733 0.3062890 4.5741988
        0.734 0.3064590 4.5846420
        0.735 0.3066328 4.5950729
        0.736 0.3068103 4.6054913
        0.737 0.3069915 4.6158971
        0.738 0.3071763 4.6262900
        0.739 0.3073647 4.6366699
        0.740 0.3075567 4.6470365
        0.741 0.3077522 4.6573897
        0.742 0.3079513 4.6677292
        0.743 0.3081538 4.6780549
        0.744 0.3083598 4.6883665
        0.745 0.3085692 4.6986639
        0.746 0.3087820 4.7089468
        0.747 0.3089982 4.7192151
        0.748 0.3092177 4.7294685
        0.749 0.3094406 4.7397069
        0.750 0.3096668 4.7499300
        0.751 0.3098963 4.7601377
        0.752 0.3101290 4.7703297
        0.753 0.3103650 4.7805059
        0.754 0.3106042 4.7906660
        0.755 0.3108466 4.8008099
        0.756 0.3110922 4.8109374
        0.757 0.3113410 4.8210482
        0.758 0.3115930 4.8311422
        0.759 0.3118482 4.8412191
        0.760 0.3121064 4.8512788
        0.761 0.3123678 4.8613211
        0.762 0.3126324 4.8713457
        0.763 0.3129000 4.8813525
        0.764 0.3131707 4.8913413
        0.765 0.3134446 4.9013118
        0.766 0.3137215 4.9112639
        0.767 0.3140015 4.9211974
        0.768 0.3142845 4.9311120
        0.769 0.3145706 4.9410077
        0.770 0.3148597 4.9508841
        0.771 0.3151519 4.9607411
        0.772 0.3154472 4.9705784
        0.773 0.3157454 4.9803960
        0.774 0.3160468 4.9901935
        0.775 0.3163511 4.9999709
        0.776 0.3166584 5.0097278
        0.777 0.3169688 5.0194642
        0.778 0.3172822 5.0291797
        0.779 0.3175986 5.0388743
        0.780 0.3179181 5.0485476
        0.781 0.3182405 5.0581996
        0.782 0.3185660 5.0678300
        0.783 0.3188945 5.0774386
        0.784 0.3192260 5.0870252
        0.785 0.3195605 5.0965897
        0.786 0.3198980 5.1061318
        0.787 0.3202386 5.1156513
        0.788 0.3205821 5.1251481
        0.789 0.3209287 5.1346220
        0.790 0.3212783 5.1440727
        0.791 0.3216310 5.1535000
        0.792 0.3219866 5.1629039
        0.793 0.3223453 5.1722840
        0.794 0.3227071 5.1816402
        0.795 0.3230719 5.1909723
        0.796 0.3234397 5.2002800
        0.797 0.3238106 5.2095633
        0.798 0.3241845 5.2188219
        0.799 0.3245615 5.2280556
        0.800 0.3249415 5.2372643
        0.801 0.3253247 5.2464477
        0.802 0.3257109 5.2556056
        0.803 0.3261001 5.2647379
        0.804 0.3264925 5.2738443
        0.805 0.3268880 5.2829248
        0.806 0.3272865 5.2919790
        0.807 0.3276882 5.3010068
        0.808 0.3280930 5.3100080
        0.809 0.3285009 5.3189825
        0.810 0.3289119 5.3279299
        0.811 0.3293261 5.3368502
        0.812 0.3297434 5.3457432
        0.813 0.3301639 5.3546086
        0.814 0.3305875 5.3634463
        0.815 0.3310143 5.3722561
        0.816 0.3314442 5.3810378
        0.817 0.3318774 5.3897913
        0.818 0.3323137 5.3985162
        0.819 0.3327533 5.4072126
        0.820 0.3331961 5.4158800
        0.821 0.3336421 5.4245185
        0.822 0.3340913 5.4331278
        0.823 0.3345438 5.4417077
        0.824 0.3349995 5.4502580
        0.825 0.3354585 5.4587786
        0.826 0.3359207 5.4672692
        0.827 0.3363862 5.4757297
        0.828 0.3368551 5.4841599
        0.829 0.3373272 5.4925597
        0.830 0.3378026 5.5009288
        0.831 0.3382814 5.5092671
        0.832 0.3387635 5.5175743
        0.833 0.3392490 5.5258504
        0.834 0.3397378 5.5340951
        0.835 0.3402300 5.5423082
        0.836 0.3407256 5.5504897
        0.837 0.3412245 5.5586392
        0.838 0.3417269 5.5667566
        0.839 0.3422327 5.5748418
        0.840 0.3427419 5.5828946
        0.841 0.3432546 5.5909148
        0.842 0.3437707 5.5989022
        0.843 0.3442902 5.6068566
        0.844 0.3448133 5.6147779
        0.845 0.3453399 5.6226660
        0.846 0.3458699 5.6305205
        0.847 0.3464035 5.6383415
        0.848 0.3469406 5.6461286
        0.849 0.3474813 5.6538818
        0.850 0.3480255 5.6616008
        0.851 0.3485733 5.6692855
        0.852 0.3491247 5.6769357
        0.853 0.3496796 5.6845513
        0.854 0.3502382 5.6921320
        0.855 0.3508004 5.6996778
        0.856 0.3513663 5.7071884
        0.857 0.3519358 5.7146638
        0.858 0.3525090 5.7221036
        0.859 0.3530859 5.7295078
        0.860 0.3536664 5.7368762
        0.861 0.3542507 5.7442087
        0.862 0.3548387 5.7515050
        0.863 0.3554305 5.7587651
        0.864 0.3560260 5.7659887
        0.865 0.3566253 5.7731757
        0.866 0.3572284 5.7803259
        0.867 0.3578353 5.7874392
        0.868 0.3584460 5.7945155
        0.869 0.3590605 5.8015545
        0.870 0.3596789 5.8085561
        0.871 0.3603012 5.8155202
        0.872 0.3609274 5.8224466
        0.873 0.3615574 5.8293351
        0.874 0.3621914 5.8361856
        0.875 0.3628293 5.8429980
        0.876 0.3634712 5.8497721
        0.877 0.3641170 5.8565077
        0.878 0.3647668 5.8632047
        0.879 0.3654207 5.8698630
        0.880 0.3660785 5.8764823
        0.881 0.3667404 5.8830626
        0.882 0.3674063 5.8896037
        0.883 0.3680763 5.8961055
        0.884 0.3687504 5.9025678
        0.885 0.3694286 5.9089904
        0.886 0.3701109 5.9153733
        0.887 0.3707974 5.9217163
        0.888 0.3714880 5.9280192
        0.889 0.3721828 5.9342819
        0.890 0.3728818 5.9405043
        0.891 0.3735850 5.9466862
        0.892 0.3742925 5.9528274
        0.893 0.3750042 5.9589280
        0.894 0.3757202 5.9649876
        0.895 0.3764405 5.9710062
        0.896 0.3771650 5.9769837
        0.897 0.3778939 5.9829199
        0.898 0.3786272 5.9888147
        0.899 0.3793648 5.9946679
        0.900 0.3801069 6.0004794