Lithium Carbonate (Li2CO3) C1Li2O3(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 96.232 130.567 130.567 0. -1175.083 -1103.210 193.278 300 96.567 131.163 130.569 0.178 -1175.094 -1102.764 192.008 400 112.173 161.148 134.553 10.638 -1175.314 -1078.607 140.852 500 128.951 187.921 142.586 22.668 -1181.066 -1053.833 110.093 600 149.369 213.176 152.259 36.550 -1179.467 -1028.507 89.540 623.150 154.643 218.930 154.629 40.069 I <--> II 623.150 154.638 219.829 154.629 40.630 TRANSITION 683.150 170.212 234.683 161.008 50.331 II <--> III 683.150 185.435 234.683 161.008 50.331 TRANSITION 700 185.435 239.201 162.836 53.455 -1175.067 -1003.674 74.895 800 185.435 263.962 173.964 71.999 -1169.242 -979.589 63.961 900 185.435 285.803 185.201 90.542 -1163.624 -956.222 55.498 993.150 185.435 304.066 195.507 107.816 III <--> LIQUID 1000 185.435 305.341 196.255 109.086 1158.169 933.471 48.760 1100 185.435 323.015 206.988 127.629 -1152.845 -911.260 43.272 1200 185.435 339.150 217.339 146.173 -1147.628 -889.528 38.720 1300 185.435 353.992 227.288 164.716 -1142.503 -868.229 34.886 1400 185.435 367.735 236.835 183.260 -1137.451 -847.320 31.614 1500 185.435 380.528 245.993 201.803 -1132.459 -826.772 28.791 1600 185.435 392.496 254.779 220.347 -1127.520 -806.554 26.331 1700 185.435 403.738 263.214 238.890 -1413.101 -772.291 23.730 1800 185.435 414.337 271.318 257.434 -1406.749 -734.781 21.323 1900 185.435 424.363 279.112 275.977 -1400.457 -697.621 19.179 2000 185.435 433.875 286.614 294.521 -1394.224 -660.791 17.258