##TITLE=3,4-Difluorobenzoic acid
##JCAMP-DX=4.24
##DATA TYPE=INFRARED SPECTRUM
##ORIGIN=EPA-IR VAPOR PHASE LIBRARY
##OWNER=SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
##CAS REGISTRY NO=455-86-7
##MOLFORM=C 7 H 4 F 2 O 2
##$NIST SOURCE=MSDC-IR
##STATE=gas
##XUNITS=1/CM
##YUNITS=ABSORBANCE
##XFACTOR=1.
##YFACTOR=0.001
##DELTAX=1.92898
##FIRSTX=549.8
##LASTX=4000.7
##FIRSTY=4.666
##MAXX=4000.7
##MINX=549.759
##MAXY=0.085906
##MINY=0
##NPOINTS=1790
##XYDATA=(X++(Y..Y))
549.759 4.666 4.216 3.936 3.696 3.106 2.956 3.316 3.746 4.606 5.366
569.049 5.646 6.176 6.916 6.716 7.036 7.426 7.616 8.146 8.476 8.916
588.339 9.036 9.416 9.976 9.706 10.386 12.586 14.986 17.476 18.436 18.056
607.628 19.026 20.176 20.736 20.816 18.706 15.796 13.836 12.006 10.546 8.996
626.918 6.856 5.256 4.276 3.366 2.886 2.946 2.836 2.246 1.526 1.386
646.208 1.746 1.846 2.126 2.246 1.796 1.746 1.806 1.586 1.946 2.186
665.498 1.596 1.336 1.706 1.456 0.8082 1.0498 1.0718 1.1152 1.526 1.18
684.787 0.8822 1.147 1.1781 1.283 1.836 2.306 2.346 2.606 3.226 3.506
704.077 3.876 4.206 5.056 6.676 8.286 9.376 9.706 9.796 9.506 9.516
723.367 9.636 8.686 6.476 4.446 3.206 2.886 2.956 2.926 3.116 3.406
742.657 4.266 5.106 5.906 7.216 8.876 10.676 12.546 14.406 15.766 17.526
761.947 20.986 24.886 25.856 24.126 22.756 22.296 22.266 21.816 20.326 18.636
781.236 17.126 15.006 12.546 10.196 8.326 6.816 5.276 4.316 3.226 2.286
800.526 2.426 2.436 2.306 2.126 1.946 2.096 2.336 2.636 3.016 3.556
819.816 3.646 3.316 3.926 4.606 4.756 4.946 4.936 4.776 4.176 3.486
839.106 3.186 2.796 2.396 2.326 2.246 1.916 1.706 1.796 1.666 1.316
858.395 1.1956 1.286 0.7989 0.7325 1.296 1.366 1.506 1.716 2.056 2.146
877.685 2.316 2.636 2.776 3.266 3.836 4.486 5.286 5.656 6.196 6.926
896.975 6.796 6.086 6.026 6.086 5.796 5.356 5.176 5.496 5.826 6.046
916.265 6.356 7.306 8.056 8.236 8.396 8.416 8.746 9.066 8.566 7.466
935.555 6.306 5.686 5.156 4.096 3.006 2.246 2.076 1.896 1.556 1.636
954.844 1.666 1.526 1.1789 1.2448 1.1424 1.0949 1.1851 0.767 0.8162 0.7501
974.134 0.8896 1.1726 1.0105 1.0905 0.9924 0.898 1.1641 1.0714 1.0757 1.386
993.424 1.366 1.536 1.806 1.426 1.159 1.2357 1.416 1.686 1.786 1.686
1012.714 1.386 1.316 1.566 1.576 1.606 1.726 1.346 1.536 2.126 1.776
1032.003 1.466 1.956 1.996 1.766 2.076 1.786 2.116 3.196 3.476 3.276
1051.293 4.096 5.266 6.436 8.406 10.336 12.186 14.446 16.906 18.326 18.696
1070.583 18.536 17.686 17.696 18.336 17.346 15.426 12.556 11.616 10.676 8.086
1089.873 6.846 6.376 7.786 9.026 9.186 10.826 13.406 16.166 18.516 20.056
1109.163 20.696 21.316 22.236 22.906 24.456 24.476 22.166 19.606 17.616 16.246
1128.452 15.586 14.356 13.306 14.766 17.316 20.356 24.546 29.476 34.786 40.776
1147.742 46.066 49.116 50.036 51.326 52.286 51.306 49.036 44.436 39.036 33.736
1167.032 28.656 24.786 21.636 19.416 17.356 15.596 15.236 14.496 13.246 12.426
1186.322 11.466 10.856 10.176 9.746 9.696 9.866 9.936 9.106 8.606 8.796
1205.611 9.596 10.506 10.746 10.816 11.206 10.566 10.026 10.306 9.846 9.486
1224.901 8.406 6.876 5.596 5.096 5.076 4.656 4.376 4.066 3.886 4.056
1244.191 4.426 4.536 4.476 4.436 4.736 4.936 5.076 5.546 5.866 6.306
1263.481 6.896 8.366 10.286 12.616 15.396 18.266 21.546 25.036 28.726 31.916
1282.771 34.486 36.486 38.056 39.066 39.086 38.196 36.326 33.746 30.786 27.536
1302.060 24.296 20.926 17.616 14.956 12.856 11.436 10.626 10.046 9.886 10.206
1321.350 10.566 11.206 12.006 12.826 13.756 14.686 15.666 16.756 17.876 18.726
1340.640 19.416 20.066 20.676 21.006 21.176 21.136 20.826 20.366 19.606 18.806
1359.930 18.086 17.326 16.766 16.456 16.346 16.216 15.926 15.466 14.806 13.876
1379.219 12.586 11.296 9.916 8.206 6.576 5.336 4.606 4.256 3.976 3.956
1398.509 4.076 4.386 4.796 5.186 5.706 6.406 7.436 8.556 9.806 11.306
1417.799 13.206 15.406 17.326 19.246 21.286 22.816 23.696 23.916 23.566 22.726
1437.089 21.276 19.356 17.036 14.476 11.866 9.546 7.506 5.746 4.536 3.916
1456.378 3.486 3.096 2.896 2.726 2.706 2.676 2.646 2.856 3.016 3.106
1475.668 3.396 3.726 4.076 4.466 4.896 5.366 5.706 6.126 6.676 7.066
1494.958 7.636 8.406 9.356 10.586 12.036 14.136 17.076 20.786 25.136 29.866
1514.248 34.316 37.886 39.706 39.946 39.066 37.326 34.576 30.446 25.026 19.286
1533.538 14.176 10.276 7.786 6.316 5.386 4.646 4.126 3.966 3.926 3.726
1552.827 3.626 3.836 4.026 4.126 4.136 4.036 4.166 4.406 4.666 5.046
1572.117 5.416 5.756 6.096 6.446 6.736 6.866 7.296 7.806 7.736 7.686
1591.407 8.076 8.646 9.426 10.416 11.436 12.336 13.446 14.796 15.866 16.646
1610.697 17.366 17.836 17.936 17.586 16.676 15.466 14.046 12.626 11.026 9.186
1629.986 7.366 5.756 4.506 3.576 2.966 2.586 2.426 2.306 2.186 2.116
1649.276 1.966 1.776 1.846 2.026 1.966 2.006 2.106 2.016 1.956 1.946
1668.566 1.946 1.886 1.736 1.726 1.686 1.516 1.416 1.446 1.606 1.806
1687.856 1.966 2.046 2.086 2.296 2.536 2.856 3.106 3.316 3.736 4.046
1707.146 4.236 4.506 4.716 4.696 4.786 4.786 4.656 4.576 4.506 4.646
1726.435 4.816 4.956 5.116 5.316 5.766 6.566 7.706 9.346 11.626 14.506
1745.725 18.026 23.096 30.026 38.616 48.916 60.096 70.776 79.186 84.116 85.816
1765.015 85.906 85.566 83.626 77.516 66.356 52.536 39.526 29.346 21.946 16.696
1784.305 13.086 10.366 8.446 7.076 6.106 5.516 5.076 4.746 4.356 4.026
1803.594 3.926 3.906 4.036 4.036 4.046 4.146 4.116 4.236 4.296 4.156
1822.884 3.976 3.766 3.466 3.036 2.646 2.256 1.976 1.806 1.596 1.476
1842.174 1.356 1.316 1.316 1.2516 1.1958 1.2165 1.1918 1.2397 1.2447 1.1595
1861.464 1.2626 1.316 1.2659 1.366 1.476 1.476 1.386 1.366 1.386 1.376
1880.754 1.396 1.306 1.1658 1.2147 1.296 1.244 1.2344 1.274 1.306 1.396
1900.043 1.306 1.2055 1.2302 1.1153 1.0767 1.0922 1.0727 1.021 1.0602 1.0864
1919.333 0.981 0.9797 0.9329 0.8707 0.848 0.7365 0.8036 0.955 0.9974 0.9642
1938.623 0.9734 1.011 0.9848 0.9174 0.9005 0.9067 0.8803 0.8433 0.7931 0.6532
1957.913 0.6864 0.6623 0.6431 0.8461 0.7813 0.7151 0.6374 0.5365 0.5939 0.6341
1977.202 0.6176 0.669 0.7454 0.6976 0.6334 0.6447 0.7385 0.8374 0.773 0.6235
1996.492 0.6554 0.7355 0.726 0.7246 0.684 0.7221 0.6482 0.5086 0.4728 0.5014
2015.782 0.6083 0.5786 0.4925 0.6159 0.6219 0.5413 0.6018 0.6147 0.6558 0.6529
2035.072 0.7164 0.8511 0.8802 0.8652 0.9064 0.9261 1.0039 1.0966 1.0422 0.9898
2054.362 1.0374 1.1734 1.1185 0.9483 1.0236 1.0411 1.0569 1.0036 0.9551 0.9832
2073.651 0.9035 0.9629 1.0107 1.0641 1.0887 0.9598 0.8024 0.7436 0.7476 0.7836
2092.941 0.8205 0.7355 0.6849 0.7076 0.7373 0.8623 0.9029 0.8507 0.7622 0.6842
2112.231 0.6766 0.6941 0.6432 0.6477 0.735 0.6397 0.6454 0.7628 0.7175 0.7195
2131.521 0.8134 0.8503 0.85 0.8155 0.8126 0.842 0.7972 0.6838 0.6563 0.6348
2150.810 0.6424 0.5959 0.5325 0.6216 0.6511 0.6317 0.553 0.503 0.6242 0.6732
2170.100 0.6446 0.6629 0.5715 0.5909 0.5771 0.6388 0.7437 0.6103 0.5918 0.6209
2189.390 0.6464 0.5744 0.6147 0.5994 0.4265 0.4465 0.7308 0.8202 0.7332 0.7381
2208.680 0.7021 0.6815 0.6398 0.691 0.7022 0.6244 0.5593 0.679 0.8432 0.8663
2227.970 0.9079 0.8306 0.705 0.7225 0.7871 0.8819 0.834 0.8139 0.7914 0.7638
2247.259 0.7988 0.7803 0.7578 0.7439 0.7259 0.7476 0.8158 0.7852 0.7633 0.7849
2266.549 0.6695 0.6414 0.728 0.7913 0.879 0.8953 0.8136 0.7825 0.9047 0.8861
2285.839 0.7902 0.9765 1.0758 0.9395 0.9124 0.9718 1.0573 0.9815 0.9187 0.8495
2305.129 0.712 0.7664 0.7977 0.7955 0.7656 0.7356 0.7531 0.7154 0.6281 0.6237
2324.418 0.5685 0.5958 0.71 0.7548 0.6771 0.6094 0.629 0.5845 0.5879 0.543
2343.708 0.5182 0.5112 0.5145 0.5608 0.6204 0.5854 0.5765 0.7686 0.8309 0.7442
2362.998 0.7166 0.7494 0.8031 0.8373 0.7859 0.7029 0.713 0.7064 0.656 0.5787
2382.288 0.6762 0.7759 0.7459 0.8273 0.8451 0.8629 0.8014 0.6364 0.7088 0.8068
2401.578 0.8502 0.8206 0.7188 0.6708 0.648 0.6888 0.6286 0.568 0.661 0.6681
2420.867 0.6929 0.7835 0.7814 0.6537 0.584 0.6712 0.8054 0.8157 0.7319 0.7309
2440.157 0.7597 0.8184 0.7925 0.8037 0.7685 0.6925 0.9055 0.9978 0.8874 0.8381
2459.447 0.7189 0.6134 0.6317 0.6872 0.7733 0.8406 0.9447 0.9219 0.807 0.7313
2478.737 0.7171 0.7576 0.7235 0.6778 0.8291 0.9726 0.8083 0.7042 0.7068 0.7356
2498.026 0.6786 0.5571 0.6424 0.7541 0.7207 0.6536 0.779 0.7912 0.7452 0.8131
2517.316 0.8399 0.9007 0.9197 0.8963 0.8239 0.8443 1.0172 0.9385 0.6897 0.6143
2536.606 0.7323 0.9003 0.9071 0.8979 0.9302 0.8637 0.8639 1.0257 1.0509 0.9157
2555.896 0.882 0.7303 0.7017 0.8156 0.6966 0.7432 0.6823 0.6001 0.7103 0.7812
2575.186 0.8618 0.9332 0.9253 0.9825 1.019 0.9867 1.1565 1.0753 1.0747 1.296
2594.475 1.306 1.1518 1.076 1.0812 1.0605 1.038 0.978 1.0208 1.091 1.0171
2613.765 0.8559 0.912 0.9169 0.8577 0.8611 0.7791 0.7129 0.5917 0.503 0.5295
2633.055 0.6024 0.6522 0.6182 0.7295 0.7811 0.5826 0.5852 0.6368 0.7276 0.7143
2652.345 0.608 0.6708 0.5941 0.5064 0.5023 0.6773 0.7506 0.6724 0.704 0.7477
2671.634 0.7977 0.6256 0.4938 0.6045 0.5303 0.35769 0.4567 0.7632 0.7965 0.6049
2690.924 0.6062 0.6755 0.6258 0.6203 0.645 0.6004 0.591 0.5156 0.5091 0.6849
2710.214 0.7992 0.723 0.5041 0.4329 0.5278 0.6213 0.6754 0.6404 0.5591 0.5497
2729.504 0.6348 0.7215 0.7105 0.5644 0.5048 0.5453 0.6577 0.6979 0.4796 0.2274
2748.794 0.179 0.2264 0.34144 0.5254 0.6303 0.5721 0.30892 0.33952 0.4908 0.5326
2768.083 0.6228 0.5743 0.5967 0.6798 0.673 0.7179 0.5908 0.4978 0.5038 0.4958
2787.373 0.6111 0.5862 0.5406 0.6332 0.661 0.5297 0.6049 0.6122 0.4735 0.5389
2806.663 0.5826 0.8052 0.9123 0.6765 0.6253 0.5689 0.5046 0.6503 0.6725 0.5493
2825.953 0.5687 0.6268 0.7358 0.8908 0.6755 0.6236 0.8369 0.7002 0.6031 0.7588
2845.242 0.7685 0.5986 0.617 0.7142 0.7299 0.7073 0.6555 0.6508 0.6948 0.5975
2864.532 0.4752 0.34955 0.38349 0.587 0.8001 0.7941 0.6974 0.5759 0.5668 0.8552
2883.822 0.9331 0.8462 0.7756 0.5188 0.4135 0.7568 0.7054 0.5122 0.6396 0.6734
2903.112 0.4449 0.4225 0.7206 0.697 0.5516 0.4434 0.5022 0.6308 0.545 0.5692
2922.401 0.9023 1.0881 0.9002 0.8584 0.7649 0.7087 0.6294 0.54 0.5374 0.574
2941.691 0.6175 0.608 0.6217 0.4624 0.5313 0.3871 0.2668 0.4395 0.3963 0.29661
2960.981 0.425 0.6563 0.7489 0.6313 0.5078 0.4916 0.38378 0.3904 0.4896 0.6234
2980.271 0.6143 0.6022 0.628 0.5553 0.6422 0.6746 0.4833 0.6375 0.955 0.9646
2999.561 0.8291 0.613 0.5562 0.7503 0.7702 0.7386 0.7045 0.7383 0.7597 0.5374
3018.850 0.489 0.4927 0.481 0.6509 0.746 0.6567 0.6039 0.6158 0.6979 0.721
3038.140 0.6009 0.37413 0.32239 0.5237 0.6411 0.7506 0.8753 0.9722 0.759 0.5965
3057.430 0.6828 0.8764 0.7503 0.5183 0.8045 0.8795 0.8939 0.8094 0.7588 0.8399
3076.720 0.968 1.316 1.566 1.736 2.086 2.156 1.786 1.676 1.566 1.356
3096.009 1.1961 1.0242 1.0095 1.0123 1.0803 0.9035 0.6891 0.5002 0.1912 0.4262
3115.299 0.6583 0.4723 0.37687 0.5782 0.6876 0.6348 0.7625 0.769 0.7457 0.7332
3134.589 0.5864 0.4621 0.5224 0.5718 0.5608 0.5651 0.5072 0.4444 0.34105 0.401
3153.879 0.5942 0.6107 0.6378 0.6447 0.6514 0.6743 0.42 0.30349 0.6093 0.6899
3173.169 0.4573 0.6337 0.6471 0.437 0.5036 0.48 0.5644 0.5224 0.4742 0.6255
3192.458 0.4637 0.459 0.6149 0.6611 0.6207 0.38586 0.29864 0.5532 0.7853 0.637
3211.748 0.5168 0.4869 0.5737 0.802 0.5557 0.32612 0.627 0.6142 0.2361 0.127
3231.038 0.2469 0.2241 0.017 0.2322 0.4228 0.129 0.094 0.4824 0.827 0.6763
3250.328 0.34286 0.30309 0.32166 0.4057 0.6357 0.5765 0.4195 0.3971 0.436 0.36932
3269.617 0.157 0.155 0.30304 0.4502 0.5336 0.5093 0.515 0.7402 0.8237 0.7267
3288.907 0.6594 0.6181 0.5183 0.4578 0.5299 0.5099 0.534 0.409 0.2063 0.4419
3308.197 0.748 0.485 0.026 0.122 0.5037 0.6812 0.4618 0.2516 0.2285 0.2375
3327.487 0.31952 0.4972 0.3315 0.1987 0.3892 0.31192 0.143 0.135 0.28368 0.2648
3346.777 0.5782 0.6626 0.292608 0.2248 0.4876 0.6618 0.5722 0.4254 0.2467 0.3764
3366.066 0.6421 0.6321 0.5521 0.32025 0.27639 0.6521 0.7927 0.7656 0.7135 0.6264
3385.356 0.486 0.5163 0.5334 0.4133 0.4136 0.6231 0.5023 0.4945 0.6974 0.6283
3404.646 0.6336 0.6326 0.4923 0.4275 0.4289 0.4246 0.6173 0.6903 0.7029 0.8413
3423.936 0.5772 0.3378 0.28248 0.3983 0.6167 0.3871 0.125 0.2606 0.5382 0.7131
3443.225 0.7985 0.8833 0.7673 0.5845 0.6679 0.6142 0.4298 0.2644 0.4134 0.5951
3462.515 0.5706 0.4247 0.404 0.5089 0.6926 0.7695 0.695 0.5362 0.4346 0.7695
3481.805 1.0576 0.7848 0.4867 0.4751 0.6201 0.7414 0.7083 0.6951 0.7734 0.8638
3501.095 1.0514 1.2552 1.1606 1.0459 1.2099 0.9417 0.8996 1.1857 0.9198 0.9282
3520.385 0.9599 0.7815 0.7487 0.8194 0.7614 0.8626 1.049 0.853 0.5565 0.5322
3539.674 0.5289 0.5388 0.6966 0.806 0.8077 0.8272 1.1226 1.2043 1.0891 1.1792
3558.964 1.277 1.816 2.656 3.336 4.236 6.356 9.626 13.686 18.526 23.806
3578.254 28.626 31.646 32.726 32.156 31.186 29.776 26.676 21.906 16.076 10.476
3597.544 6.416 4.056 2.796 2.216 1.756 1.346 1.2006 1.1592 1.0625 0.9382
3616.833 0.8526 0.5902 0.415 0.6805 0.8237 0.796 0.8746 0.9257 0.7106 0.5537
3636.123 0.6807 0.7852 0.7362 0.7259 0.8269 0.8998 0.7981 0.7626 0.9416 0.6634
3655.413 0.4963 0.37764 0.062 0.2035 0.461 0.4063 0.30501 0.5051 0.8516 0.7798
3674.703 0.4092 0.5362 0.7109 0.6362 0.7898 0.5806 0.33732 0.467 0.6233 0.4432
3693.993 0.246 0.37462 0.4958 0.5859 0.7028 0.6351 0.5249 0.6669 0.584 0.4053
3713.282 0.5373 0.4764 0.3867 0.4876 0.4501 0.5082 0.34156 0.25 0.3906 0.483
3732.572 0.37708 0.4342 0.6491 0.5672 0.30559 0.2349 0.3992 0.6196 0.6139 0.4113
3751.862 0.29842 0.3909 0.38399 0.38309 0.6217 0.5446 0.6413 0.5433 0.2518 0.4583
3771.152 0.4219 0.075 0.2412 0.5464 0.4711 0.2333 0.1957 0.6856 0.6112 0.173
3790.441 0.6237 0.9757 0.7141 0.5288 0.4684 0.4678 0.4654 0.5403 0.4886 0.511
3809.731 0.5988 0.5388 0.5952 0.6363 0.7745 0.5703 0.3883 0.5718 0.7773 0.7661
3829.021 0.6247 0.5541 0.5604 0.5398 0.3355 0.4889 0.5939 0.38238 0.37001 0.4256
3848.311 0.4167 0.181 0.091 0.2423 0.28116 0.4652 0.5822 0.8511 0.8491 0.31989
3867.601 0.290449 0.6286 0.6601 0.4636 0.4796 0.6466 0.6505 0.7366 0.6572 0.4134
3886.890 0.1975 0.11 0.37285 0.30998 0.28275 0.2232 0.01 0.067 0.1907 0.2168
3906.180 0.38469 0.5514 0.4251 0.38236 0.456 0.4676 0.5767 0.5022 0.33485 0.4123
3925.470 0.4027 0.4791 0.5951 0.6099 0.4897 0.108 0.015 0.4197 0.5781 0.2747
3944.760 0.2289 0.28068 0.148 0.2044 0.046 0.15 0.518 0.417 0.3864 0.3938
3964.049 0.4455 0.596 0.32969 0.18 0.152 0.2315 0.34979 0.27835 0.183 0.35199
3983.339 0.8011 0.8357 0.71 0.6884 0.6513 0.5024 0 0.038 0.5037 0.363
##END=
