Hydrogen Fluoride (HF) F1H1(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -8.599 -272.499 -272.499 INFINITE 100 29.128 141.959 199.679 -5.772 -272.625 -273.266 142.739 200 29.128 162.148 176.445 -2.859 -272.524 -273.947 71.548 250 29.133 168.648 174.260 -1.403 -272.516 -274.304 57.313 298.15 29.138 173.780 173.780 0. -272.546 -274.646 48.117 300 29.138 173.960 173.780 0.054 -272.548 -274.659 47.822 350 29.143 178.452 174.135 1.511 -272.609 -275.007 41.043 400 29.150 182.344 174.923 2.968 -272.696 -275.344 35.956 450 29.159 185.778 175.943 4.426 -272.802 -275.669 31.999 500 29.173 188.851 177.082 5.884 -272.924 -275.981 28.831 600 29.230 194.174 179.501 8.804 -273.205 -276.566 24.077 700 29.351 198.688 181.927 11.732 -273.522 -277.102 20.678 800 29.550 202.619 184.273 14.677 -273.858 -277.590 18.125 900 29.827 206.115 186.510 17.645 -274.205 -278.036 16.137 1000 30.169 209.275 188.631 20.644 -274.552 -278.443 14.544 1100 30.556 212.168 190.641 23.680 -274.896 -278.816 13.240 1200 30.971 214.845 192.547 26.757 -275.231 -279.157 12.151 1300 31.397 217.340 194.360 29.875 -275.558 -279.471 11.229 1400 31.822 219.683 196.086 33.036 -275.874 -279.760 10.438 1500 32.237 221.893 197.733 36.239 -276.181 -280.027 9.751 1600 32.636 223.986 199.309 39.483 -276.477 -280.273 9.150 1700 33.017 225.976 200.820 42.766 -276.763 -280.502 8.619 1800 33.376 227.873 202.270 46.085 -277.040 -280.714 8.146 1900 33.713 229.687 203.666 49.440 -277.308 -280.911 7.723 2000 34.029 231.424 205.011 52.827 -277.566 -281.093 7.341 2100 34.325 233.092 206.309 56.245 -277.815 -281.264 6.996 2200 34.601 234.695 207.563 59.692 -278.053 -281.422 6.682 2300 34.858 236.239 208.776 63.165 -278.279 -281.570 6.395 2400 35.099 237.728 209.952 66.663 -278.493 -281.709 6.131 2500 35.323 239.165 211.092 70.184 -278.694 -281.838 5.889 2600 35.533 240.555 212.198 73.727 -278.882 -281.961 5.665 2700 35.730 241.899 213.273 77.290 -279.054 -282.076 5.457 2800 35.914 243.202 214.319 80.872 -279.210 -282.185 5.264 2900 36.088 244.466 215.337 84.473 -279.349 -282.288 5.085 3000 36.251 245.692 216.329 88.090 -279.472 -282.388 4.917 3100 36.405 246.883 217.295 91.723 -279.576 -282.483 4.760 3200 36.550 248.041 218.238 95.370 -279.662 -282.575 4.613 3300 36.687 249.168 219.158 99.032 -279.730 -282.665 4.474 3400 36.818 250.265 220.057 102.708 -279.779 -282.754 4.344 3500 36.941 251.334 220.935 106.395 -279.809 -282.841 4.221 3600 37.059 252.376 221.794 110.096 -279.821 -282.927 4.105 3700 37.171 253.393 222.635 113.807 -279.814 -283.013 3.995 3800 37.279 254.386 223.457 117.530 -279.789 -283.100 3.891 3900 37.381 255.356 224.263 121.263 -279.746 -283.188 3.793 4000 37.480 256.303 225.052 125.006 -279.685 -283.277 3.699 4100 37.574 257.230 225.826 128.759 -279.607 -283.367 3.610 4200 37.665 258.137 226.584 132.521 -279.512 -283.460 3.525 4300 37.753 259.024 227.328 136.292 -279.400 -283.556 3.445 4400 37.837 259.893 228.059 140.071 -279.273 -283.654 3.367 4500 37.919 260.744 228.775 143.859 -279.130 -283.755 3.294 4600 37.998 261.578 229.479 147.655 -278.971 -283.859 3.223 4700 38.074 262.396 230.171 151.458 -278.798 -283.967 3.156 4800 38.149 263.199 230.851 155.270 -278.611 -284.079 3.091 4900 38.221 263.986 231.519 159.088 -278.410 -284.195 3.030 5000 38.291 264.759 232.176 162.914 -278.195 -284.315 2.970 5100 38.359 265.518 232.823 166.746 -277.967 -284.440 2.913 5200 38.426 266.263 233.459 170.585 -277.725 -284.569 2.859 5300 38.491 266.996 234.084 174.431 -277.471 -284.703 2.806 5400 38.555 267.716 234.701 178.284 -277.204 -284.842 2.755 5500 38.617 268.424 235.307 182.142 -276.925 -284.987 2.707 5600 38.678 269.120 235.905 186.007 -276.633 -285.135 2.660 5700 38.737 269.806 236.494 189.878 -276.329 -285.290 2.614 5800 38.796 270.480 237.074 193.754 -276.013 -285.450 2.571 5900 38.853 271.143 237.646 197.637 -275.684 -285.616 2.529 6000 38.910 271.797 238.209 201.525 -275.343 -285.787 2.488