Niobium Oxide (NbO) Nb1O1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 250 298.15 41.112 46.024 46.024 0. -419.655 -391.923 68.663 300 41.187 46.279 46.025 0.076 -419.652 -391.751 68.210 400 44.032 58.555 47.679 4.350 -419.371 -382.488 49.948 500 45.827 68.584 50.888 8.848 -418.968 -373.313 39.000 600 47.204 77.064 54.562 13.501 -418.507 -364.224 31.709 700 48.369 84.429 58.314 18.280 -418.011 -355.216 26.507 800 49.467 90.960 61.994 23.173 -417.485 -346.281 22.610 900 50.481 96.845 65.545 28.170 -416.929 -337.414 19.583 1000 51.467 102.215 68.947 33.268 -416.342 -328.610 17.165 1100 52.418 107.165 72.199 38.462 -415.722 -319.866 15.189 1200 53.359 111.766 75.307 43.751 -415.068 -311.181 13.545 1300 54.287 116.074 78.279 49.134 -414.376 -302.551 12.157 1400 55.208 120.131 81.125 54.608 -413.646 -293.976 10.968 1500 56.117 123.971 83.855 60.175 -412.882 -285.455 9.940 1600 57.024 127.622 86.477 65.832 -412.091 -276.986 9.043 1700 57.929 131.106 89.000 71.579 -411.280 -268.566 8.252 1800 58.831 134.443 91.433 77.417 -410.456 -260.195 7.551 1900 59.730 137.647 93.781 83.345 -409.624 -251.870 6.924 2000 60.626 140.734 96.052 89.363 -408.791 -243.589 6.362 2100 61.526 143.714 98.251 95.471 -407.960 -235.349 5.854 2200 62.413 146.596 100.384 101.668 -407.140 -227.148 5.393 2210.000 62.501 146.880 100.593 102.293 CRYSTAL <--> LIQUID 2300 63.306 149.391 102.454 107.954 406.337 218.985 4.973 2400 64.199 152.104 104.466 114.329 -405.562 -210.856 4.589 2500 65.091 154.743 106.425 120.794 -404.831 -202.759 4.236 2600 65.982 157.313 108.333 127.347 -404.165 -194.689 3.911 2700 66.871 159.820 110.194 133.990 -403.604 -186.644 3.611 2800 67.760 162.268 112.010 140.722 -429.560 -178.131 3.323