Niobium Oxide (NbO2) Nb1O2(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              
100              
200              
 
298.15 57.450 92.835 92.835 0. -710.872 -666.514 116.771
 
300 57.605 93.191 92.836 0.106 -710.865 -666.239 116.003
400 63.547 110.656 95.177 6.191 -710.259 -651.442 85.070
500 67.739 125.296 99.776 12.760 -709.314 -636.842 66.530
 
600 71.651 137.993 105.109 19.730 -708.116 -622.456 54.190
700 75.555 149.331 110.631 27.090 -706.667 -608.290 45.391
800 79.496 159.677 116.124 34.843 -704.949 -594.351 38.807
900 83.479 169.270 121.502 42.991 -702.945 -580.643 33.700
1000 87.500 178.273 126.733 51.540 -700.637 -567.175 29.626
 
 
1000.000 87.500 178.273 126.733 51.540 GLASS <--> LIQUID
1000.000 94.140 178.273 126.733 51.540 TRANSITION
 
1100 94.140 187.246 131.833 60.954 -697.553 -553.978 26.306
1200 94.140 195.437 136.797 70.368 -694.548 -541.059 23.552
1300 94.140 202.972 141.602 79.782 -691.616 -528.388 21.231
1400 94.140 209.949 146.237 89.196 -688.753 -515.940 19.250
1500 94.140 216.444 150.704 98.610 -685.962 -503.694 17.540
 
1600 94.140 222.520 155.005 108.024 -683.248 -491.632 16.050
1700 94.140 228.227 159.146 117.438 -680.617 -479.737 14.741
1800 94.140 233.608 163.134 126.852 -678.075 -467.994 13.581
1900 94.140 238.698 166.979 136.266 -675.627 -456.390 12.547
2000 94.140 243.526 170.686 145.680 -673.278 -444.913 11.620
 
2100 94.140 248.119 174.265 155.094 -671.034 -433.550 10.784
 
2175.000 94.140 251.423 176.869 162.154 III <--> LIQUID
 
2200 94.140 252.499 177.722 164.508 668.901 422.291 10.026
2300 94.140 256.683 181.065 173.922 -666.886 -411.128 9.337
2400 94.140 260.690 184.300 183.336 -664.998 -400.049 8.707
2500 94.140 264.533 187.433 192.750 -663.254 -389.046 8.129
 
2600 94.140 268.225 190.470 202.164 -661.676 -378.109 7.596
2700 94.140 271.778 193.416 211.578 -660.303 -367.229 7.104
2800 94.140 275.202 196.276 220.992 -685.546 -355.912 6.640
2900 94.140 278.505 199.055 230.406 -683.437 -344.177 6.199
3000 94.140 281.697 201.757 239.820 -681.347 -332.514 5.790
 
PREVIOUS: CURRENT: December 1973
 
Niobium Oxide (NbO2) Nb1O2(l)

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