X axis (cm^-1) Imaginary index (k) 252 0.28859 256 0.33003 260 0.38766 264 0.46876 268 0.58647 272 0.76605 276 1.0607 280 1.5983 284 2.7471 288 5.7722 292 12.488 296 13.58 300 11.227 304 9.3936 308 8.0874 312 7.1101 316 6.3402 320 5.7074 324 5.169 328 4.6973 332 4.2733 336 3.8831 340 3.5158 344 3.1623 348 2.814 352 2.4622 356 2.0979 360 1.7144 364 1.3241 368 0.99756 372 0.79913 376 0.69682 380 0.6481 384 0.63188 388 0.63928 392 0.66743 396 0.71706 400 0.792 404 0.89974 408 1.0532 412 1.2738 416 1.5978 420 2.0837 424 2.8144 428 3.8421 432 4.9851 436 5.7382 440 5.859 444 5.5924 448 5.2 452 4.7994 456 4.427 460 4.0883 464 3.7795 468 3.4943 472 3.2265 476 2.9707 480 2.7227 484 2.4812 488 2.2508 492 2.049 496 1.911 500 1.8801 504 1.9884 508 2.2525 512 2.6585 516 3.1115 520 3.4395 524 3.5496 528 3.4939 532 3.3595 536 3.2007 540 3.0417 544 2.8911 548 2.7513 552 2.6219 556 2.5019 560 2.39 564 2.2851 568 2.1861 572 2.0922 576 2.0025 580 1.9164 584 1.8334 588 1.7529 592 1.6746 596 1.598 600 1.5227 604 1.4484 608 1.3748 612 1.3016 616 1.2283 620 1.1547 624 1.0802 628 1.0045 632 0.92692 636 0.84691 640 0.76369 644 0.67646 648 0.58467 652 0.48914 656 0.39484 660 0.31262 664 0.25088 668 0.20766 672 0.17706 676 0.1545 680 0.13717 684 0.1234 688 0.11215 692 0.10277 696 0.094795 700 0.087926 704 0.081935 708 0.076658 712 0.071969 716 0.067774 720 0.063994 724 0.060571 728 0.057455 732 0.054606 736 0.051991 740 0.049581 744 0.047355 748 0.04529 752 0.043372 756 0.041584 760 0.039915 764 0.038352 768 0.036887 772 0.03551 776 0.034214 780 0.032993 784 0.03184 788 0.03075 792 0.029717 796 0.028739 800 0.027811 804 0.026929 808 0.02609 812 0.025291 816 0.024529 820 0.023803 824 0.023109 828 0.022446 832 0.021813 836 0.021206 840 0.020625 844 0.020067 848 0.019533 852 0.01902 856 0.018527 860 0.018053 864 0.017598 868 0.017159 872 0.016737 876 0.016331 880 0.015939 884 0.015561 888 0.015196 892 0.014844 896 0.014505 900 0.014176 904 0.013859 908 0.013552 912 0.013255 916 0.012968 920 0.01269 924 0.01242 928 0.012159 932 0.011906 936 0.011661 940 0.011423 944 0.011192 948 0.010968 952 0.010751 956 0.01054 960 0.010335 964 0.010135 968 0.0099416 972 0.0097532 976 0.00957 980 0.0093918 984 0.0092185 988 0.0090497 992 0.0088854 996 0.0087254 1000 0.0085696 1004 0.0084178 1008 0.0082699 1012 0.0081257 1016 0.0079851 1020 0.007848 1024 0.0077143 1028 0.0075839 1032 0.0074566 1036 0.0073325 1040 0.0072112 1044 0.0070929 1048 0.0069773 1052 0.0068644 1056 0.0067542 1060 0.0066464 1064 0.0065411 1068 0.0064382 1072 0.0063376 1076 0.0062393 1080 0.0061431 1084 0.0060491 1088 0.005957 1092 0.005867 1096 0.0057789 1100 0.0056927 1104 0.0056083 1108 0.0055257 1112 0.0054449 1116 0.0053657 1120 0.0052881 1124 0.0052121 1128 0.0051377 1132 0.0050647 1136 0.0049933 1140 0.0049232 1144 0.0048546 1148 0.0047873 1152 0.0047213 1156 0.0046566 1160 0.0045932 1164 0.004531 1168 0.0044699 1172 0.0044101 1176 0.0043513 1180 0.0042937 1184 0.0042371 1188 0.0041816 1192 0.0041271 1196 0.0040736 1200 0.0040211 1204 0.0039695 1208 0.0039188 1212 0.0038691 1216 0.0038203 1220 0.0037723 1224 0.0037251 1228 0.0036788 1232 0.0036333 1236 0.0035886 1240 0.0035447 1244 0.0035015 1248 0.003459 1252 0.0034173 1256 0.0033762 1260 0.0033359 1264 0.0032962 1268 0.0032572 1272 0.0032188 1276 0.0031811 1280 0.003144 1284 0.0031075 1288 0.0030716 1292 0.0030362 1296 0.0030014 1300 0.0029672 1304 0.0029335 1308 0.0029004 1312 0.0028678 1316 0.0028357 1320 0.0028041 1324 0.0027729 1328 0.0027423 1332 0.0027121 1336 0.0026824 1340 0.0026532 1344 0.0026244 1348 0.002596 1352 0.002568 1356 0.0025405 1360 0.0025134 1364 0.0024866 1368 0.0024603 1372 0.0024344 1376 0.0024088 1380 0.0023836 1384 0.0023588 1388 0.0023343 1392 0.0023102 1396 0.0022865 1400 0.002263