##TITLE=Piperonylic 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=94-53-1
##MOLFORM=C 8 H 6 O 4
##$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=2.293
##MAXX=4000.7
##MINX=549.759
##MAXY=0.074053
##MINY=0
##NPOINTS=1790
##XYDATA=(X++(Y..Y))
549.759 2.293 2.333 2.653 2.743 2.993 3.283 3.753 4.773 6.153 7.363
569.049 8.503 9.393 9.763 10.163 10.313 10.073 9.403 8.383 7.443 6.503
588.339 5.443 5.003 4.993 4.753 4.633 4.513 4.203 3.763 3.523 3.563
607.628 3.363 3.023 2.923 3.133 3.163 3.253 3.673 4.043 4.583 5.123
626.918 5.693 6.453 6.923 7.063 7.323 7.513 7.643 7.793 7.733 7.413
646.208 6.993 6.603 6.043 5.333 4.613 3.813 3.173 2.493 1.863 1.573
665.498 1.253 1.113 1.0335 0.8088 0.6969 0.6446 0.6489 0.6709 0.601 0.4348
684.787 0.4511 0.4484 0.444 0.5304 0.6627 0.7724 0.8851 0.9062 0.9798 1.213
704.077 1.333 1.573 2.063 2.743 3.523 4.003 4.193 4.363 4.463 4.503
723.367 4.143 3.273 2.563 2.173 2.013 2.073 2.323 2.753 3.213 3.833
742.657 4.363 5.023 6.063 7.113 8.043 8.713 9.493 10.353 11.223 12.403
761.947 13.523 13.383 12.113 11.133 10.363 9.453 8.393 7.243 6.173 5.183
781.236 4.153 3.423 3.023 2.783 2.633 2.623 2.743 2.973 3.273 3.553
800.526 3.783 3.813 3.923 4.073 4.063 4.143 4.113 3.923 3.773 3.623
819.816 3.673 3.873 3.983 3.943 3.853 3.833 3.703 3.483 3.153 2.823
839.106 2.673 2.353 2.003 1.943 1.843 1.563 1.283 1.173 1.303 1.233
858.395 1.163 1.233 1.343 1.583 1.713 1.893 2.223 2.553 2.803 3.083
877.685 3.443 3.733 3.873 3.893 3.953 4.053 4.053 4.113 4.243 4.333
896.975 4.563 4.953 5.303 5.603 5.633 5.543 5.693 5.783 5.703 5.453
916.265 4.943 4.423 4.193 4.123 4.143 4.273 4.543 5.013 5.513 5.903
935.555 6.283 6.833 7.313 7.503 7.633 7.633 7.433 7.153 6.663 6.133
954.844 5.613 4.883 4.013 3.373 2.883 2.463 2.233 2.083 1.953 1.653
974.134 1.493 1.493 1.543 1.493 1.443 1.593 1.563 1.723 1.923 1.913
993.424 1.953 2.053 2.163 2.273 2.563 2.593 2.693 2.863 3.113 3.483
1012.714 3.843 4.393 4.813 5.353 5.963 6.683 7.793 9.043 10.203 11.553
1032.003 13.353 15.363 17.373 19.463 21.513 23.373 25.213 26.873 28.103 29.033
1051.293 29.923 30.203 30.013 29.463 28.373 26.943 25.123 23.123 20.863 18.423
1070.583 16.153 14.443 13.323 12.543 11.923 11.663 11.883 12.463 13.693 15.313
1089.873 16.583 17.753 19.303 20.593 21.693 22.583 23.563 24.443 24.453 23.703
1109.163 22.383 21.413 20.673 19.453 18.563 17.823 17.173 17.333 17.933 19.173
1128.452 21.113 23.443 26.073 28.613 30.243 30.683 30.213 29.093 27.443 25.273
1147.742 22.263 18.163 14.263 11.433 9.533 8.213 7.073 6.423 6.123 5.983
1167.032 6.293 6.913 7.383 8.043 8.913 9.643 10.393 11.243 11.893 12.233
1186.322 12.243 12.033 11.723 11.183 10.473 9.413 8.413 7.703 6.983 6.193
1205.611 5.523 5.193 4.913 4.843 4.973 5.053 5.863 6.783 7.763 9.463
1224.901 11.603 14.523 18.103 22.253 27.103 32.263 37.483 42.363 46.403 49.403
1244.191 51.053 51.673 51.613 50.623 48.783 45.963 42.293 38.393 34.323 30.603
1263.481 27.423 23.973 20.073 16.413 13.873 12.413 11.643 11.343 11.303 11.463
1282.771 11.773 11.933 11.853 11.553 11.073 10.573 10.013 9.383 8.723 8.053
1302.060 7.493 7.103 6.813 6.693 6.733 6.813 6.953 7.123 7.263 7.423
1321.350 7.663 7.883 8.083 8.303 8.603 8.953 9.293 9.583 9.933 10.353
1340.640 10.893 11.573 12.313 13.153 14.083 15.093 16.093 16.973 17.683 18.203
1359.930 18.573 18.843 19.103 19.213 19.083 18.633 17.813 16.703 15.413 14.013
1379.219 12.493 10.773 8.913 7.343 6.223 5.413 4.883 4.543 4.253 3.983
1398.509 3.833 3.723 3.733 3.903 4.123 4.513 5.073 5.763 6.673 7.753
1417.799 8.923 10.203 11.443 12.723 14.203 15.753 17.453 19.263 21.123 22.923
1437.089 24.673 26.103 27.163 27.873 28.233 28.103 27.133 25.553 23.533 21.353
1456.378 19.123 16.783 14.673 12.693 11.073 10.013 9.533 9.573 10.113 11.143
1475.668 12.533 14.333 16.453 18.863 21.283 23.493 25.313 26.353 26.453 25.653
1494.958 24.173 22.373 20.543 18.753 16.933 15.033 13.003 11.413 10.413 9.623
1514.248 8.723 7.383 5.803 4.543 3.573 2.963 2.603 2.323 2.103 1.993
1533.538 1.923 1.783 1.663 1.623 1.543 1.513 1.493 1.383 1.333 1.293
1552.827 1.273 1.263 1.263 1.303 1.253 1.203 1.233 1.293 1.343 1.413
1572.117 1.453 1.503 1.563 1.633 1.743 1.873 1.973 2.033 2.183 2.383
1591.407 2.573 2.773 3.053 3.353 3.593 3.803 3.983 4.213 4.433 4.553
1610.697 4.693 4.873 4.963 5.043 5.173 5.253 5.263 5.263 5.173 4.993
1629.986 4.723 4.373 3.953 3.473 3.073 2.733 2.473 2.253 2.063 1.903
1649.276 1.823 1.763 1.653 1.623 1.563 1.473 1.393 1.313 1.243 1.233
1668.566 1.213 1.173 1.183 1.183 1.233 1.323 1.403 1.513 1.623 1.733
1687.856 1.933 2.103 2.293 2.523 2.723 2.943 3.133 3.233 3.293 3.353
1707.146 3.443 3.533 3.603 3.623 3.573 3.553 3.603 3.733 3.873 4.073
1726.435 4.463 5.103 6.133 7.553 9.443 11.843 14.843 19.103 24.573 31.623
1745.725 40.073 49.523 58.633 65.983 70.543 72.793 74.053 74.023 70.813 63.423
1765.015 52.743 41.193 31.073 23.713 18.203 14.183 11.243 9.013 7.363 6.123
1784.305 5.233 4.563 4.083 3.743 3.463 3.283 3.183 3.123 3.103 3.093
1803.594 3.123 3.133 3.223 3.323 3.383 3.363 3.303 3.183 2.993 2.803
1822.884 2.603 2.393 2.123 1.863 1.713 1.573 1.433 1.303 1.233 1.173
1842.174 1.173 1.183 1.153 1.173 1.223 1.243 1.273 1.323 1.393 1.403
1861.464 1.403 1.403 1.393 1.383 1.403 1.423 1.413 1.403 1.363 1.313
1880.754 1.303 1.283 1.243 1.183 1.123 1.0103 0.9497 0.9255 0.8592 0.747
1900.043 0.6848 0.6689 0.6562 0.6663 0.6913 0.6681 0.6495 0.679 0.7283 0.7531
1919.333 0.7696 0.8047 0.8059 0.803 0.8645 0.9225 0.9741 0.9832 0.9254 0.8775
1938.623 0.8443 0.8366 0.7567 0.68 0.6596 0.6582 0.6372 0.6087 0.641 0.6243
1957.913 0.6124 0.6466 0.6231 0.6368 0.6599 0.6461 0.6675 0.634 0.6089 0.6161
1977.202 0.6175 0.5965 0.5375 0.5648 0.5765 0.5494 0.5675 0.589 0.624 0.6451
1996.492 0.6147 0.591 0.6283 0.6551 0.6677 0.6872 0.6771 0.6942 0.706 0.7153
2015.782 0.7392 0.7261 0.6949 0.721 0.7034 0.65 0.6902 0.7478 0.7518 0.7652
2035.072 0.8072 0.8289 0.8184 0.8619 0.9633 0.993 0.9066 0.8694 0.9153 0.9047
2054.362 0.8885 0.8537 0.8014 0.7619 0.7587 0.7475 0.6859 0.6704 0.701 0.7041
2073.651 0.6973 0.689 0.6691 0.6192 0.6272 0.6852 0.6918 0.6964 0.6873 0.6652
2092.941 0.659 0.6176 0.6003 0.5987 0.5744 0.6043 0.5884 0.5392 0.5371 0.4949
2112.231 0.4801 0.4638 0.4265 0.4107 0.4362 0.4637 0.4548 0.4013 0.3409 0.3695
2131.521 0.4391 0.4379 0.44 0.4639 0.4441 0.4736 0.4958 0.4862 0.4725 0.4563
2150.810 0.459 0.4507 0.4592 0.4588 0.4408 0.4333 0.4055 0.4085 0.4419 0.4705
2170.100 0.5212 0.5465 0.4712 0.4339 0.4434 0.4613 0.4808 0.4902 0.4963 0.4885
2189.390 0.5083 0.4996 0.466 0.4447 0.487 0.4825 0.4365 0.4427 0.4471 0.461
2208.680 0.4382 0.4006 0.4088 0.4265 0.4221 0.4333 0.4323 0.4094 0.4113 0.4394
2227.970 0.4209 0.3877 0.4598 0.5087 0.5073 0.4918 0.447 0.4652 0.4931 0.497
2247.259 0.4862 0.4678 0.4775 0.496 0.4965 0.4513 0.4533 0.4645 0.4795 0.5113
2266.549 0.4995 0.4684 0.4963 0.5049 0.4972 0.5405 0.4856 0.5138 0.5822 0.5873
2285.839 0.6009 0.6067 0.6026 0.5659 0.5506 0.5482 0.5231 0.556 0.5719 0.4977
2305.129 0.5267 0.5663 0.5401 0.5881 0.6202 0.563 0.5234 0.5371 0.5694 0.5252
2324.418 0.5168 0.5297 0.5154 0.5583 0.5524 0.4773 0.4114 0.4283 0.4419 0.4113
2343.708 0.4051 0.4151 0.3957 0.4157 0.4001 0.3903 0.4427 0.436 0.4752 0.5269
2362.998 0.5082 0.4717 0.474 0.4389 0.4327 0.4286 0.4704 0.5532 0.5284 0.5287
2382.288 0.4952 0.4337 0.4239 0.3878 0.3937 0.4138 0.4035 0.4365 0.4648 0.4679
2401.578 0.4558 0.4167 0.3881 0.3709 0.3352 0.3816 0.432 0.3782 0.3649 0.3956
2420.867 0.4661 0.5091 0.4985 0.4602 0.4147 0.4004 0.3922 0.4613 0.4837 0.425
2440.157 0.3824 0.3873 0.4052 0.3838 0.3971 0.4465 0.4687 0.4904 0.4326 0.3751
2459.447 0.4268 0.4696 0.4717 0.4507 0.3782 0.3678 0.4407 0.4601 0.4673 0.4485
2478.737 0.4103 0.4582 0.4347 0.4091 0.4757 0.5315 0.5576 0.5277 0.5007 0.4932
2498.026 0.533 0.5412 0.5353 0.5538 0.5965 0.6227 0.6477 0.6359 0.5931 0.6057
2517.316 0.6394 0.5956 0.5365 0.5127 0.4728 0.4706 0.4915 0.4663 0.477 0.5079
2536.606 0.4631 0.4564 0.5258 0.5299 0.4636 0.4632 0.5125 0.589 0.556 0.5021
2555.896 0.5398 0.5127 0.4639 0.4548 0.4433 0.4574 0.5106 0.5081 0.4984 0.5303
2575.186 0.558 0.5559 0.5441 0.5756 0.5896 0.5881 0.6009 0.6626 0.7001 0.6997
2594.475 0.703 0.7819 0.8195 0.7693 0.7236 0.6719 0.6878 0.7564 0.8127 0.7657
2613.765 0.7017 0.7208 0.7367 0.7304 0.7187 0.6436 0.5668 0.528 0.4854 0.4898
2633.055 0.4868 0.4938 0.5049 0.4685 0.4676 0.4669 0.4841 0.5252 0.5215 0.5409
2652.345 0.5505 0.5123 0.4859 0.5549 0.5756 0.5217 0.5423 0.634 0.6737 0.7008
2671.634 0.6919 0.6439 0.6811 0.6701 0.6021 0.6341 0.7227 0.6935 0.6962 0.6628
2690.924 0.6524 0.7771 0.78 0.7486 0.8052 0.7531 0.7502 0.8094 0.7541 0.8194
2710.214 0.8702 0.7286 0.644 0.6146 0.6717 0.7368 0.6794 0.6602 0.6625 0.6136
2729.504 0.5716 0.619 0.5949 0.5519 0.5429 0.6093 0.7091 0.7905 0.8124 0.7371
2748.794 0.7618 0.7965 0.8194 0.849 0.8783 0.9331 1.0205 1.0924 1.0819 1.183
2768.083 1.303 1.433 1.693 1.893 2.033 2.103 2.113 2.153 2.083 1.863
2787.373 1.663 1.473 1.313 1.143 0.9845 0.8933 0.9054 0.8623 0.8199 0.8233
2806.663 0.8177 0.8736 0.9541 1.0068 1.0128 1.0661 1.0413 1.0629 1.213 1.233
2825.953 1.253 1.343 1.313 1.333 1.433 1.533 1.603 1.723 1.813 1.863
2845.242 1.943 1.903 2.003 2.173 2.273 2.453 2.563 2.683 3.023 3.353
2864.532 3.573 3.743 3.963 4.163 4.333 4.613 4.903 5.073 5.093 5.123
2883.822 5.243 5.173 5.183 5.383 5.423 5.443 5.563 5.613 5.563 5.603
2903.112 5.673 5.703 5.833 5.963 6.083 6.153 6.063 6.063 6.083 5.993
2922.401 5.953 5.803 5.603 5.483 5.313 5.203 5.023 4.853 4.853 4.823
2941.691 4.723 4.583 4.493 4.473 4.523 4.433 4.273 4.163 4.063 4.053
2960.981 3.843 3.513 3.343 3.223 3.083 2.943 2.853 2.603 2.373 2.323
2980.271 2.263 2.103 1.973 1.993 1.983 1.893 1.863 1.943 1.963 1.953
2999.561 2.053 2.053 2.003 2.093 2.193 2.273 2.303 2.363 2.493 2.573
3018.850 2.633 2.583 2.523 2.493 2.363 2.133 1.953 1.913 1.843 1.733
3038.140 1.643 1.463 1.363 1.363 1.253 1.243 1.253 1.183 1.0904 1.0501
3057.430 1.0496 0.9195 0.9084 0.9028 0.8338 0.8766 0.8951 0.9203 0.9345 0.931
3076.720 1.123 1.323 1.333 1.373 1.503 1.573 1.563 1.573 1.543 1.433
3096.009 1.353 1.273 1.0385 0.827 0.6512 0.6057 0.7566 0.6809 0.617 0.6416
3115.299 0.5837 0.4736 0.4843 0.5521 0.4006 0.3473 0.4974 0.4668 0.4168 0.4229
3134.589 0.3022 0.2761 0.3497 0.3535 0.3254 0.3038 0.2575 0.206 0.18657 0.2044
3153.879 0.12716 0.2391 0.2791 0.2121 0.2976 0.2399 0.16612 0.18554 0.19434 0.1651
3173.169 0.11753 0.1815 0.2596 0.3049 0.2213 0.2478 0.3819 0.372 0.3956 0.2998
3192.458 0.2865 0.4067 0.3793 0.3228 0.3672 0.2848 0.2486 0.3009 0.2133 0.257
3211.748 0.2997 0.2728 0.3822 0.3421 0.3366 0.3021 0.2772 0.3521 0.393 0.3739
3231.038 0.2866 0.285 0.2701 0.2379 0.3048 0.3445 0.2928 0.3747 0.3659 0.3646
3250.328 0.2449 0.14264 0.2535 0.2656 0.2705 0.4519 0.5216 0.2861 0.2481 0.2775
3269.617 0.322 0.335 0.2244 0.2217 0.3146 0.3193 0.2425 0.17878 0.1234 0.18389
3288.907 0.15035 0.10097 0.2101 0.2193 0.2053 0.208 0.0745 0.12618 0.2868 0.3159
3308.197 0.3004 0.2762 0.2674 0.2686 0.12439 0.0961 0.267 0.3131 0.2448 0.10529
3327.487 0.0679 0.13921 0.2172 0.2757 0.251 0.2538 0.19937 0.13627 0.19475 0.2178
3346.777 0.22 0.2566 0.2602 0.2276 0.2624 0.107999 0.0583 0.2439 0.3092 0.3055
3366.066 0.3798 0.4344 0.3249 0.2046 0.2555 0.3422 0.3368 0.3333 0.3589 0.3315
3385.356 0.3821 0.5423 0.5831 0.4806 0.3171 0.2775 0.3784 0.3947 0.3184 0.2507
3404.646 0.2254 0.2863 0.2259 0.2071 0.399 0.4947 0.3958 0.3459 0.4057 0.4445
3423.936 0.3973 0.2795 0.2473 0.19806 0.14482 0.18012 0.208 0.2451 0.2466 0.2579
3443.225 0.2325 0.233 0.2516 0.2869 0.2331 0.2253 0.3373 0.2123 0.2564 0.3389
3462.515 0.3472 0.3798 0.23 0.247 0.3033 0.2332 0.2759 0.3834 0.5207 0.6416
3481.805 0.7279 0.7943 0.783 0.7205 0.7941 0.9725 0.9987 0.9465 0.9112 0.9653
3501.095 0.9974 0.9156 0.7589 0.6123 0.6543 0.6241 0.4737 0.4714 0.567 0.5687
3520.385 0.4702 0.4898 0.6402 0.6667 0.4744 0.4375 0.5261 0.4959 0.4549 0.4532
3539.674 0.5564 0.5398 0.4402 0.443 0.5172 0.5399 0.4635 0.4633 0.6642 0.7967
3558.964 0.8759 1.153 1.303 1.583 2.173 3.073 4.433 6.223 8.883 12.403
3578.254 16.393 20.173 22.823 23.903 23.753 22.903 21.523 19.093 15.223 10.463
3597.544 6.373 3.863 2.433 1.593 1.253 1.163 0.9244 0.7505 0.7131 0.6496
3616.833 0.5767 0.6926 0.7647 0.6608 0.5742 0.499 0.5987 0.6349 0.5406 0.5448
3636.123 0.5298 0.4751 0.5628 0.5202 0.3768 0.399 0.3992 0.3702 0.4043 0.5058
3655.413 0.5121 0.4671 0.4439 0.3936 0.4135 0.3889 0.4446 0.4644 0.4098 0.4296
3674.703 0.416 0.3411 0.3688 0.3324 0.3377 0.4114 0.4112 0.449 0.398 0.2537
3693.993 0.2151 0.2841 0.2759 0.2543 0.2578 0.3024 0.3246 0.3405 0.3162 0.3301
3713.282 0.4523 0.3696 0.3511 0.4919 0.4565 0.3099 0.3869 0.3472 0.17579 0.2988
3732.572 0.4261 0.5238 0.3983 0.279 0.4161 0.4609 0.3636 0.2687 0.3266 0.2555
3751.862 0.2115 0.3487 0.3954 0.4036 0.3403 0.2638 0.2305 0.2531 0.2979 0.2912
3771.152 0.2579 0.3233 0.3112 0.2308 0.11891 0.0884 0.15687 0.2409 0.3273 0.3298
3790.441 0.3135 0.2655 0.19945 0.2117 0.3197 0.2895 0.2556 0.3292 0.2642 0.2792
3809.731 0.4011 0.2653 0.073 0.2178 0.3602 0.3933 0.4339 0.4704 0.5382 0.4296
3829.021 0.4108 0.5758 0.5163 0.463 0.547 0.394 0.3181 0.3709 0.3267 0.3605
3848.311 0.3079 0.11615 0.29 0.3317 0.2701 0.4011 0.3154 0.3093 0.5243 0.4474
3867.601 0.2528 0.17884 0.11755 0.17263 0.2263 0.2308 0.2982 0.4086 0.295 0.109437
3886.890 0.287 0.522 0.3832 0.2922 0.3279 0.17732 0.0792 0.2594 0.4434 0.3706
3906.180 0.2315 0.3075 0.3857 0.3738 0.3604 0.3429 0.3382 0.2539 0.2524 0.2662
3925.470 0.2672 0.2376 0.391 0.594 0.4725 0.3181 0.2345 0.3456 0.4474 0.4243
3944.760 0.4449 0.4345 0.3651 0.3423 0.3919 0.4509 0.3946 0.2769 0.19741 0.107322
3964.049 0 0.12126 0.4425 0.5043 0.4198 0.5115 0.4702 0.3937 0.4247 0.3894
3983.339 0.4305 0.355 0.424 0.4473 0.3983 0.4781 0.4057 0.4688 0.5227 0.3761
##END=
