Beryllium Oxide, Beta (BeO) Be1O1(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 25.560 16.591 16.591 0. -601.659 -573.209 100.424 300 25.744 16.749 16.591 0.047 -601.669 -573.032 99.774 400 33.757 25.335 17.707 3.051 -601.993 -563.426 73.576 500 38.920 33.462 20.056 6.703 -601.974 -553.781 57.853 600 42.376 40.882 22.919 10.778 -601.746 -544.161 47.373 700 44.823 47.608 25.973 15.144 -601.398 -534.590 39.892 800 46.656 53.718 29.065 19.722 -600.986 -525.074 34.284 900 48.091 59.299 32.119 24.462 -600.541 -515.611 29.925 1000 49.262 64.428 35.097 29.331 -600.086 -506.199 26.441 1100 50.254 69.171 37.982 34.308 -599.635 -496.832 23.593 1200 51.116 73.581 40.767 39.377 -599.198 -487.506 21.221 1300 51.882 77.703 43.451 44.527 -598.784 -478.216 19.215 1400 52.580 81.574 46.037 49.751 -598.399 -468.956 17.497 1500 53.225 85.224 48.529 55.042 -598.050 -459.722 16.009 1600 53.827 88.678 50.932 60.394 -612.276 -449.985 14.691 1700 54.396 91.959 53.249 65.806 -611.609 -439.862 13.515 1800 54.944 95.083 55.487 71.273 -610.919 -429.779 12.472 1900 55.467 98.068 57.650 76.794 -610.210 -419.735 11.539 2000 55.974 100.926 59.743 82.366 -609.481 -409.729 10.701 2100 56.467 103.669 61.770 87.988 -608.736 -399.760 9.943 2200 56.948 106.307 63.735 93.659 -607.975 -389.826 9.256 2300 57.421 108.849 65.642 99.378 -607.199 -379.927 8.628 2373.001 57.758 110.649 66.999 103.582 ALPHA <--> BETA 2400 57.881 111.303 67.493 105.143 606.409 370.063 8.054 2500 58.338 113.675 69.293 110.954 -605.605 -360.232 7.527 2600 58.789 115.972 71.045 116.810 -604.789 -350.433 7.040 2700 59.233 118.199 72.750 122.711 -603.959 -340.666 6.591 2800 59.676 120.361 74.412 128.657 -894.074 -324.707 6.057 2821.220 59.770 120.812 74.759 129.924 BETA <--> LIQUID 2900 60.112 122.463 76.033 134.646 892.156 304.406 5.483 3000 60.547 124.508 77.615 140.679 -890.210 -284.172 4.948 3100 60.978 126.500 79.160 146.755 -888.235 -264.003 4.448 3200 61.404 128.443 80.670 152.874 -886.235 -243.899 3.981 3300 61.831 130.339 82.146 159.036 -884.209 -223.857 3.543 3400 62.254 132.191 83.591 165.240 -882.160 -203.877 3.132 3500 62.676 134.002 85.005 171.487 -880.090 -183.957 2.745