Calcium Fluoride (CaF2) | Ca1F2(cr,l) | |||||||||||||
Enthalpy Reference Temperature = Tr = 298.15 K | Standard State Pressure = p° = 0.1 MPa | |||||||||||||
J·K-1 mol-1 | kJ·mol-1 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T/K | Cp° | S° | -[G°-H°(Tr)]/T | H-H°(Tr) | ![]() |
![]() |
log Kf | |||||||
0 | 0. | 0. | INFINITE | -11.655 | -1223.006 | -1223.006 | INFINITE | |||||||
100 | 28.619 | 13.347 | 120.374 | -10.703 | -1225.941 | -1208.642 | 631.330 | |||||||
200 | 56.769 | 43.555 | 74.450 | -6.179 | -1226.615 | -1190.898 | 311.031 | |||||||
298.15 | 68.588 | 68.572 | 68.572 | 0. | -1225.912 | -1173.496 | 205.592 | |||||||
300 | 68.772 | 68.997 | 68.574 | 0.127 | -1225.891 | -1173.171 | 204.267 | |||||||
400 | 73.864 | 89.630 | 71.353 | 7.311 | -1224.561 | -1155.791 | 150.931 | |||||||
500 | 76.220 | 106.375 | 76.736 | 14.819 | -1223.184 | -1138.759 | 118.965 | |||||||
600 | 78.517 | 120.471 | 82.880 | 22.554 | -1221.865 | -1121.999 | 97.679 | |||||||
700 | 81.090 | 132.764 | 89.146 | 30.532 | -1220.577 | -1105.456 | 82.490 | |||||||
800 | 83.918 | 143.774 | 95.298 | 38.781 | -1220.132 | -1088.995 | 71.104 | |||||||
900 | 86.952 | 153.832 | 101.251 | 47.323 | -1218.769 | -1072.684 | 62.257 | |||||||
1000 | 90.128 | 163.157 | 106.981 | 56.177 | -1217.427 | -1056.525 | 55.187 | |||||||
1100 | 93.412 | 171.901 | 112.489 | 65.353 | -1216.093 | -1040.499 | 49.409 | |||||||
1200 | 96.780 | 180.172 | 117.788 | 74.862 | -1222.490 | -1023.973 | 44.572 | |||||||
1300 | 100.207 | 188.054 | 122.892 | 84.711 | -1219.910 | -1007.532 | 40.483 | |||||||
1400 | 103.680 | 195.607 | 127.818 | 94.905 | -1217.007 | -991.302 | 36.986 | |||||||
1424.000 | 104.520 | 197.376 | 128.975 | 97.403 | ALPHA <--> BETA | |||||||||
+ | ||||||||||||||
1424.000 | 122.884 | 200.726 | 128.975 | 102.173 | TRANSITION | |||||||||
1500 | 123.679 | 207.136 | 132.774 | 111.542 | -1207.680 | -975.581 | 33.973 | |||||||
1600 | 124.725 | 215.151 | 137.675 | 123.963 | -1202.588 | -960.273 | 31.350 | |||||||
1691.000 | 125.677 | 222.077 | 142.032 | 135.356 | BETA <--> LIQUID | |||||||||
+ | ||||||||||||||
1691.000 | 99.914 | 239.644 | 142.032 | 165.062 | TRANSITION | |||||||||
1700 | 99.914 | 240.174 | 142.550 | 165.961 | -1167.935 | -945.444 | 29.050 | |||||||
1800 | 99.914 | 245.885 | 148.134 | 175.953 | -1313.977 | -930.222 | 26.994 | |||||||
1900 | 99.914 | 251.287 | 153.422 | 185.944 | -1309.944 | -909.012 | 24.990 | |||||||
2000 | 99.914 | 256.412 | 158.444 | 195.936 | -1305.925 | -888.014 | 23.193 | |||||||
2100 | 99.914 | 261.287 | 163.227 | 205.927 | -1301.921 | -867.217 | 21.571 | |||||||
2200 | 99.914 | 265.935 | 167.790 | 215.918 | -1297.929 | -846.611 | 20.101 | |||||||
2300 | 99.914 | 270.376 | 172.155 | 225.910 | -1293.952 | -826.185 | 18.763 | |||||||
2400 | 99.914 | 274.629 | 176.337 | 235.901 | -1289.988 | -805.933 | 17.541 | |||||||
2500 | 99.914 | 278.707 | 180.350 | 245.893 | -1286.041 | -785.845 | 16.419 | |||||||
2600 | 99.914 | 282.626 | 184.209 | 255.884 | -1282.112 | -765.915 | 15.387 | |||||||
2700 | 99.914 | 286.397 | 187.925 | 265.875 | -1278.204 | -746.135 | 14.435 | |||||||
2800 | 99.914 | 290.031 | 191.507 | 275.867 | -1274.321 | -726.500 | 13.553 | |||||||
2900 | 99.914 | 293.537 | 194.965 | 285.858 | -1270.468 | -707.003 | 12.735 | |||||||
3000 | 99.914 | 296.924 | 198.307 | 295.850 | -1266.651 | -687.639 | 11.973 | |||||||
3100 | 99.914 | 300.200 | 201.542 | 305.841 | -1262.874 | -668.401 | 11.262 | |||||||
3200 | 99.914 | 303.372 | 204.675 | 315.832 | -1259.145 | -649.284 | 10.598 | |||||||
3300 | 99.914 | 306.447 | 207.712 | 325.824 | -1255.470 | -630.282 | 9.977 | |||||||
3400 | 99.914 | 309.429 | 210.660 | 335.815 | -1251.856 | -611.392 | 9.393 | |||||||
3500 | 99.914 | 312.326 | 213.524 | 345.807 | -1248.310 | -592.606 | 8.844 | |||||||
3600 | 99.914 | 315.140 | 216.308 | 355.798 | -1244.837 | -573.921 | 8.327 | |||||||
3700 | 99.914 | 317.878 | 219.016 | 365.789 | -1241.446 | -555.331 | 7.840 | |||||||
3800 | 99.914 | 320.542 | 221.653 | 375.781 | -1238.141 | -536.833 | 7.379 | |||||||
3900 | 99.914 | 323.138 | 224.222 | 385.772 | -1234.928 | -518.419 | 6.943 | |||||||
4000 | 99.914 | 325.667 | 226.726 | 395.763 | -1231.812 | -500.087 | 6.530 | |||||||
PREVIOUS: | CURRENT: December 1968 | |||||||||||||
Calcium Fluoride (CaF2) | Ca1F2(cr,l) |
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