Magnesium Silicide (Mg2Si) Mg2Si1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 67.864 81.588 81.588 0. -77.822 -77.055 13.500 300 67.994 82.008 81.589 0.126 -77.826 -77.050 13.416 400 73.764 102.413 84.332 7.232 -77.951 -76.770 10.025 500 77.278 119.268 89.683 14.793 -78.002 -76.468 7.989 600 79.831 133.589 95.837 22.651 -78.054 -76.157 6.630 700 82.006 146.062 102.140 30.745 -78.152 -75.833 5.659 800 83.889 157.137 108.335 39.041 -78.342 -75.491 4.929 900 85.688 167.122 114.321 47.520 -78.661 -75.117 4.360 1000 87.404 176.239 120.064 56.175 -96.329 -73.274 3.827 1100 89.077 184.649 125.558 65.000 -97.022 -70.933 3.368 1200 90.667 192.468 130.812 73.987 -97.596 -68.536 2.983 1300 92.257 199.788 135.839 83.134 -98.052 -66.095 2.656 1375.000 93.450 204.996 139.470 90.098 CRYSTAL <--> LIQUID 1400 93.805 206.684 140.655 92.439 353.209 57.289 2.137 1500 95.312 213.207 145.277 101.896 -350.734 -36.237 1.262 1600 96.776 219.405 149.718 111.500 -348.152 -15.354 0.501 1700 98.198 225.315 153.992 121.249 -395.645 5.811 -0.179 1800 99.579 230.967 158.113 131.139 -392.633 29.339 -0.851 1900 100.918 236.387 162.091 141.164 -389.485 52.697 -1.449 2000 102.215 241.597 165.937 151.321 -386.205 75.886 -1.982 2100 103.470 246.615 169.660 161.606 -382.798 98.907 -2.460 2200 104.684 251.456 173.268 172.014 -379.268 121.763 -2.891 2300 105.855 256.136 176.770 182.541 -375.620 144.456 -3.281 2400 106.985 260.665 180.172 193.183 -371.859 166.988 -3.634 2500 108.073 265.054 183.480 203.936 -367.989 189.360 -3.956