##TITLE=.alpha.-Acetyl-.alpha.-methyl-.gamma.-butyrolactone
##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=1123-19-9
##MOLFORM=C 7 H 10 O 3
##$NIST SOURCE=MSDC-IR
##STATE=gas
##XUNITS=1/CM
##YUNITS=ABSORBANCE
##XFACTOR=1.
##YFACTOR=0.001
##DELTAX=1.92934
##FIRSTX=549.9
##LASTX=3999.5
##FIRSTY=4.84
##MAXX=3999.53
##MINX=549.863
##MAXY=0.20471
##MINY=0
##NPOINTS=1789
##XYDATA=(X++(Y..Y))
549.863 4.84 4.79 5 5.07 4.94 4.7 4.58 4.75 4.75 4.84
569.156 4.86 4.88 5.05 5.12 5.41 5.85 6.31 6.74 7.02 7.32
588.450 7.87 8.2 8.31 8.39 8.2 7.95 7.85 7.54 7.24 6.94
607.743 6.48 6.01 5.42 4.98 4.6 4.17 3.95 3.69 3.33 3.07
627.037 2.87 2.75 2.6453 2.5569 2.5163 2.5161 2.5266 2.5743 2.75 2.85
646.330 2.96 3.21 3.53 3.75 3.93 4.13 4.44 4.8 4.82 4.7
665.624 4.6 4.47 4.36 4.22 3.87 3.63 3.5 3.23 3.07 3.07
684.917 3.09 3.1 3.04 2.92 2.91 2.84 2.6089 2.4779 2.3963 2.2207
704.210 2.0808 1.941 1.78027 1.6283 1.453 1.408 1.364 1.343 1.354 1.279
723.504 1.198 1.196 1.287 1.327 1.394 1.518 1.6614 1.80431 1.9224 2.0248
742.797 2.0302 2.0193 2.0671 2.0912 2.0702 2.0547 2.0102 1.9559 1.8767 1.8224
762.091 1.9002 1.8881 1.8461 1.8821 1.9106 1.9906 2.1571 2.3432 2.558 2.78
781.384 2.97 3.19 3.4 3.63 3.87 4.04 4.13 4.15 4.19 4.16
800.678 4 3.85 3.62 3.31 3.06 2.78 2.4578 2.3032 2.1916 2.039
819.971 1.967 1.9088 1.8736 1.8919 1.8605 1.8399 1.8722 1.8203 1.8064 1.8577
839.264 1.8243 1.8594 1.9498 2.04 2.1355 2.1978 2.2781 2.3499 2.4542 2.5808
858.558 2.81 3.02 3.11 3.22 3.36 3.52 3.56 3.6 3.71 3.79
877.851 3.84 3.74 3.63 3.61 3.54 3.4 3.3 3.43 3.59 3.75
897.145 4.09 4.46 4.95 5.55 6.21 7.03 7.83 8.48 9.13 9.78
916.438 10.29 10.56 10.53 10.25 9.91 9.58 9.09 8.49 7.86 7.24
935.732 6.76 6.45 6.25 6.25 6.46 6.74 7.12 7.65 8.34 9.08
955.025 9.92 10.87 11.8 12.68 13.49 14.14 14.64 15.04 15.29 15.23
974.318 14.97 14.56 14 13.45 12.8 12.1 11.5 11.01 10.63 10.45
993.612 10.41 10.46 10.73 11.2 11.84 12.68 13.73 15.01 16.61 18.6
1012.905 21 23.72 26.87 30.59 34.76 39.35 44.18 48.86 53.17 57.13
1032.199 60.62 63.38 64.97 64.9 63.26 60.59 57.28 53.44 49.24 44.91
1051.492 40.76 37.23 34.55 32.77 32.2 33 35.1 38.39 42.84 48.23
1070.786 54.18 60.48 66.74 72.52 77.39 81 83.26 84.06 83.26 80.54
1090.079 76.03 70.32 64 57.53 51.06 44.73 38.97 34.04 30.26 27.79
1109.372 26.38 25.83 25.9 26.55 27.76 29.24 30.86 32.53 34.15 35.61
1128.666 36.87 37.96 38.83 39.41 39.7 39.92 40.46 41.67 43.37 45.53
1147.959 48.45 52.03 56.11 60.6 65.35 70.04 74.44 78.3 81.21 83.46
1167.253 85.07 85.63 85.3 83.93 81.36 78.06 74.44 70.62 66.56 62.82
1186.546 59.19 55.55 52.31 49.4 47.04 45.18 43.87 42.89 42.09 41.8
1205.840 41.6 41.36 41.39 41.76 41.9 41.53 41.15 40.22 39.09 38.31
1225.133 37.39 36.35 35.25 34.05 32.59 31.24 29.88 28.29 26.84 25.33
1244.426 23.69 22.06 20.38 18.89 17.48 16.03 14.73 13.49 12.54 11.72
1263.720 10.84 9.99 9.15 8.55 8.04 7.38 6.88 6.49 6.12 5.75
1283.013 5.42 5.23 5.03 4.76 4.56 4.47 4.35 4.34 4.38 4.44
1302.307 4.47 4.5 4.53 4.56 4.66 4.7 4.82 4.96 5.04 5.15
1321.600 5.27 5.44 5.6 5.78 6 6.27 6.72 7.27 7.93 8.83
1340.894 9.93 11.25 13 15.29 18.05 21.38 25.21 29.3 33.44 37.36
1360.187 40.91 44.1 46.79 48.6 49.34 48.64 46.78 44.77 42.49 39.51
1379.480 36.43 33.99 31.37 27.72 24.21 22 20.6 19.18 17.41 15.56
1398.774 13.82 12.27 11.14 10.41 9.96 9.63 9.48 9.46 9.47 9.52
1418.067 9.62 9.77 9.96 10.15 10.4 10.78 11.28 11.75 12.23 12.86
1437.361 13.63 14.46 15.41 16.37 17.21 17.9 18.48 18.99 19.43 19.74
1456.654 19.84 19.57 18.95 18.08 17.04 15.98 15.01 14.06 13.16 12.28
1475.948 11.52 10.9 10.36 9.93 9.63 9.38 9.21 9.25 9.24 8.89
1495.241 8.35 7.89 7.51 7.12 6.69 6.13 5.6 5.16 4.79 4.55
1514.534 4.32 4.13 4.03 3.9 3.79 3.75 3.71 3.65 3.61 3.56
1533.828 3.56 3.59 3.55 3.42 3.38 3.45 3.46 3.41 3.41 3.41
1553.121 3.33 3.36 3.39 3.32 3.28 3.28 3.27 3.23 3.18 3.11
1572.415 3.14 3.17 3.11 3.11 3.13 3.1 3.13 3.12 3.12 3.12
1591.708 3.1 3.11 3.14 3.16 3.21 3.27 3.28 3.29 3.36 3.44
1611.002 3.42 3.47 3.58 3.65 3.66 3.64 3.71 3.77 3.79 3.79
1630.295 3.82 3.86 3.81 3.8 3.82 3.86 3.91 3.88 3.92 4.03
1649.588 4.12 4.21 4.33 4.43 4.6 4.8 5.03 5.35 5.68 6.02
1668.882 6.43 6.86 7.41 8 8.58 9.2 9.87 10.51 11.23 12.02
1688.175 12.84 13.74 14.78 16.03 17.68 19.69 22.24 25.69 29.89 35.41
1707.469 42.23 50.28 59.4 69.14 78.83 88 96.59 104.4 111.63 117.14
1726.762 118.94 116.17 110.31 103.81 96.65 88.47 78.79 67.99 57.94 49.31
1746.056 42.52 37.42 33.88 31.4 29.89 29.16 28.93 29.26 30.2 31.63
1765.349 33.78 36.91 41.27 47.05 54.81 64.44 76.25 90.09 105.6 121.88
1784.642 138.08 153.71 168.35 182.03 194.07 202.39 204.71 201.02 193.07 182.33
1803.936 168.69 151.89 132.92 113.66 95.55 79.5 65.8 54.41 45.26 38.02
1823.229 32.36 27.86 24.3 21.51 19.23 17.32 15.69 14.26 13.03 11.97
1842.523 10.96 10.08 9.28 8.53 7.89 7.33 6.83 6.43 6.07 5.73
1861.816 5.46 5.17 4.85 4.65 4.5 4.33 4.15 4.03 4 3.9
1881.110 3.78 3.74 3.63 3.57 3.55 3.42 3.36 3.35 3.29 3.17
1900.403 3.07 3 2.95 2.92 2.87 2.81 2.74 2.654 2.6192 2.6402
1919.696 2.5829 2.4778 2.448 2.4605 2.4559 2.4351 2.3806 2.3079 2.304 2.3305
1938.990 2.3204 2.2991 2.3361 2.3613 2.3465 2.3122 2.3332 2.306 2.2888 2.3085
1958.283 2.3127 2.339 2.3069 2.2643 2.2448 2.2203 2.2078 2.1983 2.1569 2.1425
1977.577 2.1272 2.1197 2.1115 2.1062 2.0752 2.0554 2.079 2.0992 2.1288 2.1748
1996.870 2.1529 2.1256 2.1652 2.1388 2.0574 2.0482 2.0404 1.9915 1.9968 1.9641
2016.164 1.9221 1.8995 1.8326 1.8292 1.8439 1.8343 1.823 1.79323 1.76958 1.76501
2035.457 1.79139 1.8298 1.8546 1.8622 1.8568 1.8401 1.8394 1.8314 1.8495 1.9065
2054.750 1.9409 1.9068 1.8701 1.8586 1.8639 1.8745 1.8759 1.8537 1.81817 1.7848
2074.044 1.7016 1.7023 1.72289 1.7092 1.6887 1.6599 1.638 1.605 1.599 1.574
2093.337 1.558 1.572 1.602 1.599 1.579 1.571 1.538 1.539 1.553 1.574
2112.631 1.579 1.542 1.543 1.557 1.538 1.53 1.559 1.556 1.559 1.575
2131.924 1.589 1.602 1.603 1.6324 1.6379 1.589 1.591 1.608 1.6673 1.71064
2151.218 1.72457 1.74667 1.78806 1.8401 1.8547 1.882 1.8785 1.8652 1.8916 1.9157
2170.511 1.8763 1.8249 1.842 1.8369 1.76219 1.72561 1.6692 1.6358 1.6322 1.6285
2189.804 1.6465 1.61 1.564 1.548 1.54 1.512 1.491 1.519 1.517 1.54
2209.098 1.556 1.532 1.568 1.617 1.612 1.61 1.607 1.611 1.6392 1.6958
2228.391 1.74872 1.77643 1.78167 1.81424 1.8621 1.8801 1.9196 1.9634 1.9788 1.9473
2247.685 1.9461 1.9261 1.9431 1.9668 1.9346 1.9283 1.8801 1.8401 1.8431 1.845
2266.978 1.8407 1.8147 1.80004 1.79878 1.81288 1.8273 1.8337 1.8387 1.8274 1.8264
2286.272 1.8208 1.77543 1.6989 1.6719 1.71689 1.7463 1.71975 1.677 1.6268 1.598
2305.565 1.576 1.563 1.608 1.6456 1.594 1.57 1.553 1.53 1.532 1.515
2324.858 1.513 1.5 1.503 1.5 1.494 1.516 1.473 1.445 1.452 1.417
2344.152 1.414 1.437 1.428 1.39 1.411 1.422 1.383 1.324 1.309 1.363
2363.445 1.363 1.34 1.329 1.34 1.343 1.335 1.344 1.348 1.355 1.361
2382.739 1.344 1.354 1.38 1.37 1.345 1.325 1.313 1.318 1.276 1.254
2402.032 1.279 1.261 1.27 1.255 1.201 1.217 1.266 1.269 1.246 1.217
2421.326 1.171 1.191 1.23 1.168 1.152 1.158 1.144 1.206 1.243 1.248
2440.619 1.233 1.248 1.265 1.233 1.244 1.296 1.327 1.307 1.326 1.324
2459.912 1.269 1.241 1.235 1.235 1.232 1.236 1.267 1.259 1.273 1.317
2479.206 1.335 1.34 1.329 1.319 1.334 1.362 1.371 1.34 1.291 1.296
2498.499 1.269 1.185 1.159 1.187 1.191 1.152 1.112 1.091 1.063 1.049
2517.793 1.024 1.042 1.071 1.078 1.094 1.058 1.012 1.018 1.081 1.102
2537.086 1.048 0.967 0.939 0.975 0.97 0.932 0.967 1.019 0.97 0.926
2556.380 0.949 0.928 0.874 0.86 0.909 0.972 0.944 0.928 0.881 0.87
2575.673 0.913 0.935 0.928 0.864 0.856 0.828 0.81 0.776 0.763 0.761
2594.966 0.793 0.827 0.813 0.823 0.8 0.781 0.821 0.861 0.853 0.766
2614.260 0.724 0.748 0.71 0.7 0.71 0.69 0.723 0.788 0.79 0.747
2633.553 0.71 0.66 0.721 0.787 0.735 0.749 0.767 0.724 0.68 0.66
2652.847 0.69 0.721 0.747 0.732 0.726 0.774 0.72 0.68 0.69 0.7
2672.140 0.749 0.741 0.722 0.746 0.756 0.75 0.762 0.81 0.777 0.751
2691.434 0.806 0.868 0.886 0.895 0.911 0.863 0.874 0.897 0.966 1.02
2710.727 1.025 1.072 1.124 1.082 1.088 1.192 1.179 1.171 1.147 1.17
2730.020 1.204 1.07 0.973 1.037 1.088 1.091 1.057 0.97 0.958 0.988
2749.314 1.047 1.024 1.001 1.037 1.014 1.032 0.999 0.951 0.915 0.844
2768.607 0.865 0.877 0.887 0.877 0.809 0.868 0.903 0.858 0.836 0.835
2787.901 0.861 0.912 0.918 0.891 0.887 0.851 0.826 0.857 0.925 0.949
2807.194 1.007 1.066 1.067 1.088 1.123 1.196 1.217 1.212 1.195 1.261
2826.488 1.359 1.319 1.417 1.507 1.539 1.6557 1.6718 1.71769 1.8538 1.8943
2845.781 1.9926 2.1136 2.1435 2.2598 2.4642 2.74 2.97 3.16 3.43 3.83
2865.074 4.17 4.51 4.96 5.47 5.97 6.42 7.01 7.47 7.95 8.39
2884.368 8.68 8.97 9.15 9.16 9.12 9.24 9.46 9.79 10.23 11
2903.661 12.09 13.31 14.77 16.32 17.81 19.28 20.63 21.93 23.11 23.82
2922.955 24.28 24.51 24.35 24.14 24.09 24.11 24.19 24.19 24.29 24.6
2942.248 25 25.42 25.5 25.1 24.31 23.42 22.69 22 21.27 20.68
2961.542 20.23 20.12 20.43 21.03 22.05 23.26 24.6 26.22 28.04 30.12
2980.835 32.09 33.86 35.39 36.76 38.11 39 39.2 39.08 38.72 37.68
3000.128 35.97 33.89 31.61 29.05 26.19 23.18 20.39 17.84 15.19 12.73
3019.422 10.68 8.91 7.52 6.5 5.77 5.25 4.85 4.39 3.96 3.64
3038.715 3.45 3.23 3.01 2.77 2.502 2.3311 2.2099 2.1822 1.981 1.8283
3058.009 1.7666 1.6285 1.536 1.534 1.489 1.331 1.23 1.167 1.109 1.099
3077.302 1.149 1.131 1.082 1.104 1.051 1.049 1.043 0.999 1.034 1.126
3096.596 1.153 0.966 0.78 0.853 1.068 1.045 0.907 0.872 0.922 0.927
3115.889 0.907 0.88 0.755 0.63 0.61 0.65 0.69 0.784 0.748 0.67
3135.182 0.65 0.51 0.48 0.58 0.47 0.42 0.5 0.49 0.5 0.51
3154.476 0.41 0.56 0.65 0.51 0.59 0.6 0.57 0.57 0.57 0.54
3173.769 0.5 0.58 0.63 0.5 0.32 0.39 0.55 0.5 0.39 0.4
3193.063 0.41 0.3 0.23 0.27 0.29 0.35 0.28 0.22 0.25 0.33
3212.356 0.31 0.19 0.3 0.37 0.37 0.19 0.1 0.14 0.1 0
3231.650 0.01 0.21 0.22 0.15 0.21 0.18 0.14 0.2 0.16 0.2
3250.943 0.22 0.06 0.02 0.06 0.09 0.17 0.26 0.32 0.25 0.17
3270.236 0.16 0.16 0.22 0.24 0.23 0.27 0.14 0.03 0.1 0.18
3289.530 0.25 0.33 0.28 0.26 0.41 0.4 0.26 0.13 0.06 0.16
3308.823 0.19 0.14 0.2 0.24 0.19 0.17 0.21 0.37 0.38 0.26
3328.117 0.14 0.23 0.32 0.19 0.14 0.25 0.35 0.29 0.35 0.34
3347.410 0.22 0.3 0.37 0.4 0.54 0.44 0.38 0.46 0.44 0.46
3366.704 0.42 0.42 0.49 0.54 0.61 0.5 0.5 0.57 0.54 0.51
3385.997 0.54 0.55 0.46 0.48 0.57 0.722 0.746 0.889 1.047 0.902
3405.290 0.817 0.795 0.797 0.871 0.958 1.173 1.475 1.57 1.527 1.6857
3424.584 1.9986 2.2023 2.1094 2.0655 2.1563 2.1723 2.1235 1.9973 1.9223 1.9413
3443.877 1.8441 1.564 1.324 1.292 1.319 1.192 1.108 1.152 0.998 0.891
3463.171 0.898 0.86 0.96 0.836 0.77 0.887 0.912 0.874 0.798 0.834
3482.464 0.823 0.749 0.808 0.934 0.919 0.739 0.7 0.772 0.885 0.859
3501.758 0.864 0.829 0.789 0.887 0.797 0.9 1.045 0.936 0.838 0.896
3521.051 1.002 0.974 0.996 1.096 1.096 1.25 1.3 1.199 1.166 1.113
3540.344 1.229 1.389 1.489 1.6664 1.77277 1.8276 1.9441 2.048 2.1858 2.3443
3559.638 2.5719 2.74 2.8 2.75 2.76 2.94 3.04 3.02 2.89 2.85
3578.931 2.81 2.7045 2.569 2.4887 2.3637 1.9875 1.8888 1.8552 1.6687 1.643
3598.225 1.6789 1.6546 1.6269 1.508 1.359 1.266 1.182 1.108 1.015 1.007
3617.518 1.078 1.05 1.077 1.078 1.149 1.214 1.03 0.997 1.093 1.002
3636.812 0.98 1.185 1.041 0.912 0.989 0.979 0.911 0.828 0.861 0.867
3656.105 0.797 0.811 0.901 0.889 0.89 0.816 0.786 0.835 0.872 0.896
3675.398 0.863 0.887 0.89 0.865 0.881 0.853 0.729 0.758 0.863 0.794
3694.692 0.832 0.878 0.851 0.821 0.898 0.93 0.799 0.835 0.937 0.954
3713.985 0.927 0.907 0.879 0.751 0.752 0.939 1.042 1.028 0.967 0.868
3733.279 0.908 0.913 0.887 1.065 1.106 0.962 0.888 0.903 0.964 0.955
3752.572 0.944 1.031 0.899 0.86 0.973 0.86 0.869 0.912 0.806 0.788
3771.866 0.808 0.841 0.967 1.01 0.969 0.912 0.838 0.872 0.912 0.907
3791.159 0.956 0.885 0.832 0.868 0.936 1.004 0.979 0.953 0.917 0.978
3810.452 0.99 0.909 0.872 0.913 0.928 0.896 0.876 0.86 0.946 1.017
3829.746 0.985 1.012 0.985 0.912 0.832 0.922 1.037 0.95 0.961 0.998
3849.039 0.984 1.003 0.951 0.833 0.862 0.959 1.017 1.009 0.943 0.957
3868.333 1.057 1.067 1.01 1 0.899 0.885 1.138 1.258 1.145 1.057
3887.626 0.997 0.994 1.067 1.175 1.201 1.216 1.17 1.063 1.162 1.212
3906.920 1.134 1.116 1.14 1.182 1.219 1.21 1.151 1.108 1.162 1.208
3926.213 1.14 1.1 1.063 1.056 1.143 1.177 1.12 1.022 1.018 1.164
3945.506 1.247 1.197 1.173 1.155 1.174 1.166 1.176 1.191 1.197 1.271
3964.800 1.299 1.429 1.402 1.306 1.391 1.313 1.114 1.112 1.146 1.117
3984.093 1.146 1.239 1.224 1.165 1.198 1.105 0.967 1.003 1.206
##END=
