Zirconium Boride (ZrB2) B2Zr1(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 0. 0. INFINITE -6.653 -321.314 -321.314 INFINITE
100 12.008 4.926 67.811 -6.289 -321.884 -320.909 167.626
200 32.803 19.732 39.899 -4.033 -322.488 -319.657 83.486
 
298.15 48.242 35.941 35.941 0. -322.586 -318.234 55.753
 
300 48.488 36.240 35.941 0.089 -322.586 -318.207 55.405
400 57.505 51.582 37.972 5.444 -322.516 -316.760 41.365
500 62.634 65.010 42.068 11.471 -322.575 -315.317 32.941
 
600 65.810 76.725 46.889 17.902 -322.798 -313.847 27.323
700 68.028 87.043 51.903 24.598 -323.179 -312.327 23.306
800 69.710 96.240 56.881 31.487 -323.705 -310.743 20.289
900 71.090 104.534 61.723 38.530 -324.373 -309.084 17.939
1000 72.153 112.079 66.387 45.693 -325.191 -307.343 16.054
 
1100 73.174 119.004 70.860 52.959 -326.156 -305.512 14.508
1200 74.195 125.415 75.142 60.327 -330.967 -303.366 13.205
1300 75.216 131.394 79.242 67.798 -331.648 -301.039 12.096
1400 76.237 137.005 83.169 75.370 -332.366 -298.658 11.143
1500 77.258 142.300 86.937 83.045 -333.123 -296.224 10.315
 
1600 78.278 147.319 90.555 90.822 -333.926 -293.738 9.590
1700 79.299 152.095 94.036 98.701 -334.780 -291.200 8.947
1800 80.320 156.656 97.389 106.682 -335.694 -288.611 8.375
1900 81.341 161.026 100.624 114.765 -336.675 -285.969 7.862
2000 82.362 165.225 103.750 122.950 -337.731 -283.273 7.398
 
2100 83.383 169.268 106.774 131.237 -338.872 -280.522 6.978
2200 84.404 173.170 109.704 139.627 -361.430 -276.970 6.576
2300 85.425 176.945 112.546 148.118 -363.185 -273.091 6.202
2400 86.446 180.602 115.306 156.712 -465.422 -266.999 5.811
2500 87.467 184.152 117.989 165.407 -467.260 -258.694 5.405
 
2600 88.487 187.602 120.600 174.205 -468.997 -250.316 5.029
2700 89.508 190.961 123.144 183.105 -470.631 -241.874 4.679
2800 90.529 194.234 125.625 192.107 -472.163 -233.373 4.354
2900 91.550 197.429 128.046 201.211 -473.593 -224.820 4.049
3000 92.571 200.550 130.411 210.417 -474.921 -216.218 3.765
 
3100 93.592 203.602 132.723 219.725 -476.147 -207.575 3.498
3200 94.613 206.589 134.985 229.135 -477.271 -198.893 3.247
3300 95.634 209.516 137.199 238.647 -478.292 -190.177 3.010
 
3323.000 95.868 210.181 137.702 240.850 CRYSTAL <--> LIQUID
 
3400 96.655 212.387 139.368 248.262 479.212 181.433 2.787
3500 97.675 215.203 141.495 257.978 -480.029 -172.662 2.577
 
3600 98.696 217.969 143.581 267.797 -480.745 -163.870 2.378
3700 99.717 220.687 145.628 277.717 -481.358 -155.059 2.189
3800 100.738 223.360 147.639 287.740 -481.869 -146.233 2.010
3900 101.759 225.990 149.614 297.865 -482.278 -137.395 1.840
4000 102.780 228.579 151.556 308.092 -482.585 -128.548 1.679
 
PREVIOUS: March 1963 CURRENT: June 1965
 
Zirconium Boride (ZrB2) B2Zr1(cr)

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