Silicon Oxide (SiO2) O2Si1(cr,l)
 
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 0.000 0.000 INFINITE -6.916 -905.872 -905.872 INFINITE
100 15.686 9.694 72.496 -6.280 -908.406 -891.662 465.756
200 32.639 26.087 45.187 -3.820 -910.036 -874.223 228.324
 
298.15 44.589 41.463 41.463 0.000 -910.857 -856.443 150.045
 
300 44.769 41.740 41.464 0.083 -910.866 -856.106 149.061
400 53.430 55.874 43.333 5.017 -911.024 -837.812 109.407
500 59.643 68.499 47.127 10.686 -910.692 -819.539 85.617
 
600 64.417 79.808 51.648 16.896 -910.017 -801.368 69.765
700 68.768 90.063 56.414 23.554 -909.062 -783.331 58.453
800 73.701 99.555 61.220 30.668 -907.794 -765.452 49.979
 
847.000 76.509 103.840 63.467 34.196 I <--> II
847.000 67.417 104.700 63.467 34.924 TRANSITION
 
900 67.948 108.807 66.017 38.512 -905.918 -747.785 43.400
1000 68.952 116.018 70.662 45.357 -905.145 -730.256 38.145
 
1100 69.956 122.637 75.090 52.302 -904.365 -712.805 33.848
1200 70.961 128.767 79.311 59.348 -903.567 -695.426 30.271
1300 71.965 134.487 83.338 66.494 -902.744 -678.114 27.247
1400 72.969 139.857 87.185 73.741 -901.893 -660.866 24.657
1500 73.973 144.925 90.867 81.088 -901.011 -643.681 22.415
 
1600 74.977 149.731 94.397 88.535 -900.097 -626.555 20.455
 
1696.000 75.940 154.128 97.654 95.779 II <--> LIQUID
1696.000 85.772 158.655 97.654 103.456 TRANSITION
 
1700 85.772 158.857 97.798 103.799 -941.610 -609.059 18.714
1800 85.772 163.759 101.328 112.377 -939.468 -589.559 17.109
1900 85.772 168.397 104.737 120.954 -937.350 -570.178 15.675
2000 85.772 172.796 108.031 129.531 -935.255 -550.907 14.388
 
2100 85.772 176.981 111.215 138.108 -933.183 -531.741 13.226
2200 85.772 180.971 114.296 146.685 -931.133 -512.672 12.172
2300 85.772 184.784 117.278 155.263 -929.106 -493.697 11.212
2400 85.772 188.434 120.168 163.840 -927.102 -474.809 10.334
2500 85.772 191.936 122.969 172.417 -925.119 -456.004 9.528
 
2600 85.772 195.300 125.687 180.994 -923.158 -437.279 8.785
2700 85.772 198.537 128.325 189.571 -921.217 -418.628 8.099
2800 85.772 201.656 130.889 198.149 -919.297 -400.048 7.463
2900 85.772 204.666 133.381 206.726 -917.397 -381.538 6.872
3000 85.772 207.574 135.806 215.303 -915.517 -363.092 6.322
 
3100 85.772 210.386 138.167 223.880 -913.655 -344.708 5.808
3200 85.772 213.109 140.466 232.457 -911.811 -326.385 5.328
3300 85.772 215.749 142.708 241.035 -909.985 -308.119 4.877
3400 85.772 218.309 144.894 249.612 -908.175 -289.907 4.454
3500 85.772 220.796 147.027 258.189 -906.381 -271.749 4.056
 
3600 85.772 223.212 149.110 266.766 -1288.754 -243.181 3.528
3700 85.772 225.562 151.145 275.343 -1286.577 -214.168 3.024
3800 85.772 227.849 153.133 283.921 -1284.416 -185.212 2.546
3900 85.772 230.077 155.078 292.498 -1282.269 -156.313 2.094
4000 85.772 232.249 156.980 301.075 -1280.137 -127.470 1.665
 
4100 85.772 234.367 158.842 309.652 -1278.019 -98.680 1.257
4200 85.772 236.434 160.665 318.229 -1275.914 -69.941 0.870
4300 85.772 238.452 162.450 326.807 -1273.822 -41.252 0.501
4400 85.772 240.424 164.200 335.384 -1271.742 -12.612 0.150
4500 85.772 242.351 165.916 343.961 -1269.674 15.981 -0.186
 
PREVIOUS: CURRENT: June 1967
 
Silicon Oxide (SiO2) O2Si1(cr,l)

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