Trifluoroboroxin (B3O3F3) B3F3O3(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 250 298.15 125.520 217.568 217.568 0. -2453.916 -2331.126 408.404 300 125.874 218.346 217.570 0.233 -2453.915 -2330.364 405.753 400 144.766 257.156 222.735 13.769 -2453.752 -2289.199 298.939 500 163.176 291.484 233.111 29.187 -2453.164 -2248.116 234.859 600 178.761 322.641 245.476 46.299 -2451.944 -2207.210 192.155 700 192.464 351.250 258.570 64.876 -2450.042 -2166.562 161.671 800 204.284 377.743 271.831 84.729 -2447.457 -2126.234 138.829 900 214.221 402.396 284.985 105.670 -2444.251 -2086.267 121.084 1000 222.170 425.393 297.889 127.504 -2440.532 -2046.687 106.908 1100 228.446 446.875 310.468 150.048 -2436.420 -2007.498 95.328 1200 232.840 466.950 322.681 173.123 -2432.054 -1968.696 85.695 1300 235.978 485.720 334.508 196.575 -2427.556 -1930.265 77.559 1400 237.860 503.284 345.943 220.277 -2423.029 -1892.182 70.598 1500 238.488 519.723 356.987 244.105 -2418.582 -1854.421 64.577