Niobium (Nb)								Nb1(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		-5.241		0.		0.		0.
100		17.439		12.558		57.153		-4.460		0.		0.		0.
200		23.091		26.878		38.685		-2.361		0.		0.		0.
250		24.154		32.159		36.867		-1.177		0.		0.		0.
298.15		24.694		36.464		36.464		0.		0.		0.		0.
300		24.711		36.616		36.464		0.046		0.		0.		0.
350		25.088		40.455		36.766		1.291		0.		0.		0.
400		25.393		43.826		37.442		2.553		0.		0.		0.
450		25.653		46.832		38.322		3.830		0.		0.		0.
500		25.899		49.548		39.311		5.118		0.		0.		0.
600		26.347		54.309		41.424		7.731		0.		0.		0.
700		26.769		58.403		43.564		10.387		0.		0.		0.
800		27.183		62.004		45.649		13.084		0.		0.		0.
900		27.593		65.230		47.648		15.823		0.		0.		0.
1000		27.999		68.158		49.555		18.603		0.		0.		0.
1100		28.405		70.846		51.370		21.423		0.		0.		0.
1200		28.798		73.334		53.098		24.284		0.		0.		0.
1300		29.179		75.654		54.745		27.182		0.		0.		0.
1400		29.589		77.831		56.317		30.120		0.		0.		0.
1500		30.062		79.888		57.820		33.102		0.		0.		0.
1600		30.606		81.846		59.261		36.135		0.		0.		0.
1700		31.221		83.719		60.645		39.226		0.		0.		0.
1800		31.903		85.523		61.977		42.381		0.		0.		0.
1900		32.639		87.267		63.263		45.608		0.		0.		0.
2000		33.430		88.961		64.506		48.911		0.		0.		0.
2100		34.275		90.612		65.710		52.296		0.		0.		0.
2200		35.187		92.228		66.878		55.768		0.		0.		0.
2300		36.192		93.813		68.015		59.336		0.		0.		0.
2400		37.317		95.377		69.123		63.010		0.		0.		0.
2500		38.635		96.926		70.204		66.805		0.		0.		0.
2600		40.233		98.471		71.261		70.745		0.		0.		0.
2700		42.283		100.027		72.298		74.868		0.		0.		0.
2750.000		43.423		100.813		72.809		77.011		CRYSTAL <--> LIQUID
2800		44.643		101.606		73.316		79.212		26.375 0.484 0.009
2900		47.342		103.219		74.319		83.808		-25.126		1.423		-0.026
3000		50.410		104.874		75.310		88.692		-23.589		2.313		-0.040
3100		53.879		106.583		76.291		93.903		-21.725		3.146		-0.053
3200		57.777		108.354		77.265		99.483		-19.494		3.914		-0.064
PREVIOUS: June 1972								CURRENT: December 1973
Niobium (Nb)								Nb1(cr)

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