Silicon Oxide, Cristobalite, High (SiO2) O2Si1(cr)
 
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) fH° fG° log Kf
0              
100              
200              
 
298.15 26.581 50.053 50.053 0.000 -905.489 -853.636 149.554
 
300 27.154 50.219 50.054 0.050 -905.530 -853.315 148.575
400 47.413 61.218 51.416 3.921 -906.752 -835.678 109.128
500 56.856 72.923 54.555 9.184 -906.826 -817.885 85.444
 
600 62.049 83.788 58.536 15.151 -906.394 -800.132 69.658
700 65.229 93.609 62.857 21.526 -905.721 -782.473 58.389
800 67.337 102.466 67.264 28.161 -904.932 -764.919 49.944
900 68.823 110.487 71.628 34.973 -904.088 -747.468 43.382
1000 69.923 117.798 75.885 41.913 -903.221 -730.112 38.137
 
1100 70.772 124.504 80.004 48.949 -902.350 -712.843 33.850
1200 71.446 130.691 83.974 56.061 -901.485 -695.653 30.281
1300 71.998 136.432 87.791 63.234 -900.636 -678.535 27.264
1400 72.467 141.786 91.459 70.458 -899.808 -661.482 24.680
1500 72.869 146.799 94.983 77.725 -899.006 -644.487 22.443
 
1600 73.220 151.514 98.370 85.030 -898.235 -627.544 20.487
1700 73.534 155.962 101.628 92.368 -947.674 -610.202 18.749
1800 73.814 160.173 104.765 99.735 -946.742 -590.378 17.132
1900 74.074 164.171 107.787 107.130 -945.806 -570.605 15.687
2000 74.316 167.977 110.702 114.549 -944.869 -550.882 14.388
 
2100 74.542 171.608 113.517 121.992 -943.931 -531.206 13.213
2200 74.751 175.081 116.237 129.457 -942.994 -511.573 12.146
2300 74.952 178.408 118.868 136.942 -942.059 -491.985 11.173
2400 75.145 181.602 121.416 144.447 -941.126 -472.437 10.282
2500 75.333 184.674 123.885 151.971 -940.197 -452.927 9.463
 
2600 75.509 187.632 126.280 159.513 -939.271 -433.454 8.708
2700 75.684 190.485 128.606 167.073 -938.348 -414.017 8.010
2800 75.852 193.240 130.865 174.650 -937.428 -394.614 7.362
2900 76.015 195.905 133.062 182.243 -936.512 -375.245 6.759
3000 76.178 198.485 135.200 189.853 -935.599 -355.906 6.197
 
PREVIOUS: CURRENT: June 1967
 
Silicon Oxide, Cristobalite, High (SiO2) O2Si1(cr)

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