Iron Fluoride (FeF2) F2Fe1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -12.757 -705.266 -705.266 INFINITE 100 33.447 30.853 138.926 -10.807 -706.646 -692.088 361.510 200 56.610 62.024 92.902 -6.176 -706.712 -677.397 176.918 298.15 68.116 86.985 86.985 0. -705.841 -663.168 116.184 300 68.199 87.407 86.987 0.126 -705.819 -662.903 115.422 400 71.965 107.562 89.709 7.141 -704.651 -648.774 84.721 500 74.894 123.948 94.968 14.490 -703.521 -634.937 66.331 600 77.153 137.811 100.983 22.097 -702.473 -621.321 54.091 700 78.868 149.837 107.122 29.900 -701.547 -607.871 45.360 800 80.249 160.462 113.138 37.859 -700.813 -594.541 38.820 900 81.337 169.979 118.934 45.941 -700.414 -581.286 33.737 1000 82.132 178.592 124.476 54.115 -700.676 -568.045 29.672 1100 82.717 186.448 129.758 62.359 -701.795 -554.713 26.341 1200 83.178 193.666 134.787 70.655 -702.335 -541.337 23.564 1300 83.516 200.338 139.576 78.990 -701.212 -527.966 21.214 1373.000 83.685 204.906 142.929 85.094 CRYSTAL <--> LIQUID 1400 83.764 206.536 144.140 87.354 700.166 514.679 19.203 1500 83.983 212.323 148.495 95.742 -699.200 -501.464 17.463 1600 84.182 217.750 152.656 104.150 -698.315 -488.311 15.942 1700 84.365 222.859 156.636 112.578 -698.461 -475.192 14.601 1800 84.517 227.685 160.451 121.022 -698.073 -462.071 13.409 1900 84.637 232.258 164.111 129.480 -711.865 -448.266 12.324 2000 84.726 236.602 167.628 137.949 -711.880 -434.392 11.345