Boroxin (B3H3O3) B3H3O3(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 98.324 167.360 167.360 0. -1262.313 -1156.803 202.667 300 98.742 167.969 167.362 0.182 -1262.355 -1156.148 201.303 400 120.081 199.288 171.488 11.120 -1264.321 -1120.431 146.313 500 141.838 228.436 179.991 24.223 -1265.383 -1084.312 113.277 600 162.758 256.203 190.396 39.484 -1265.199 -1048.093 91.245 700 179.912 282.612 201.700 56.638 -1263.798 -1012.004 75.517 800 194.556 307.628 213.392 75.389 -1261.331 -976.191 63.739 900 205.591 331.204 225.186 95.416 -1258.019 -940.740 54.599 1000 214.221 353.333 236.906 116.427 -1254.093 -905.692 47.309 1100 219.730 374.016 248.442 138.132 -1249.799 -871.057 41.363 1200 224.262 393.337 259.720 160.340 -1245.299 -836.824 36.426 1300 226.786 411.389 270.701 182.895 -1240.725 -802.970 32.264 1400 229.022 428.279 281.360 205.688 -1236.168 -769.467 28.709 1500 230.970 444.148 291.688 228.690 -1231.642 -736.290 25.640 1600 232.630 459.109 301.689 251.872 -1227.166 -703.413 22.964 1700 234.003 473.255 311.369 275.206 -1222.759 -670.814 20.612 1800 235.088 486.662 320.738 298.663 -1218.440 -638.472 18.528 1900 235.886 499.396 329.809 322.214 -1214.232 -606.367 16.670 2000 236.396 511.509 338.594 345.831 -1210.157 -574.479 15.004