Silicon Sulfide (SiS2) S2Si1(l) 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 77.488 84.687 84.687 0. -206.924 -207.448 36.344 300 77.508 85.166 84.688 0.143 -206.902 -207.451 36.120 400 78.617 107.614 87.742 7.949 -210.412 -207.610 27.111 500 79.789 125.269 93.543 15.863 -212.632 -206.679 21.592 600 81.714 140.011 100.091 23.952 -214.089 -205.337 17.876 700 82.006 152.619 106.717 32.131 -215.051 -203.799 15.208 800 83.136 163.643 113.158 40.388 -215.725 -202.142 13.199 900 84.266 173.500 119.324 48.758 -322.431 -198.254 11.506 900.000 84.266 173.500 119.324 48.758 GLASS <--> LIQUID 900.000 91.002 173.500 119.324 48.758 TRANSITION 1000 91.002 183.088 125.230 57.858 -319.654 -184.606 9.643 1100 91.002 191.762 130.890 66.958 -316.952 -171.232 8.131 1200 91.002 199.680 136.297 76.059 -314.325 -158.102 6.882 1300 91.002 206.964 141.457 85.159 -311.770 -145.187 5.834 1363.000 91.002 211.270 144.585 90.892 CRYSTAL <--> LIQUID 1400 91.002 213.708 146.380 94.259 309.288 132.467 4.942 1500 91.002 219.986 151.080 103.359 -306.879 -119.921 4.176 1600 91.002 225.859 155.572 112.459 -304.541 -107.534 3.511 1700 91.002 231.376 159.871 121.560 -352.452 -94.844 2.914 1800 91.002 236.578 163.989 130.660 -350.024 -79.760 2.315 1900 91.002 241.498 167.940 139.760 -347.622 -64.811 1.782 2000 91.002 246.166 171.736 148.860 -345.244 -49.988 1.306