		J·K^-1 mol^-1						kJ·mol^-1
Hafnium, Beta (Hf)								Hf₁(cr)

Enthalpy Reference Temperature = T_r = 298.15 K								Standard State Pressure = p° = 0.1 MPa
T/K		C_p^°		S^°		-[G^°-H^°(T_r)]/T		H-H^°(T_r)		_fH^°		_fG^°		log K_f
0
100
200
250

298.15		17.747		61.104		61.104		0.		18.686		13.455		-2.357

300		17.764		61.214		61.105		0.033		18.671		13.422		-2.337
350		18.226		63.987		61.323		0.933		18.272		12.579		-1.877
400		18.687		66.451		61.812		1.855		17.869		11.793		-1.540
450		19.149		68.679		62.454		2.801		17.466		11.058		-1.284
500		19.611		70.720		63.180		3.770		17.062		10.368		-1.083

600		20.534		74.377		64.748		5.778		16.255		9.105		-0.793
700		21.457		77.612		66.359		7.877		15.453		7.976		-0.595
800		22.381		80.538		67.951		10.069		14.658		6.963		-0.455
900		23.304		83.227		69.501		12.353		13.872		6.048		-0.351
1000		24.227		85.730		71.000		14.730		13.095		5.221		-0.273

1100		25.151		88.082		72.447		17.199		12.329		4.470		-0.212
1200		26.074		90.310		73.844		19.760		11.573		3.789		-0.165
1300		26.997		92.434		75.193		22.414		10.829		3.171		-0.127
1400		27.921		94.468		76.497		25.160		10.104		2.609		-0.097
1500		28.844		96.426		77.761		27.998		9.401		2.098		-0.073

1600		29.767		98.317		78.987		30.928		8.720		1.634		-0.053
1700		30.691		100.150		80.178		33.951		8.061		1.211		-0.037
1800		31.614		101.930		81.338		37.067		7.424		0.827		-0.024
1900		32.537		103.664		82.467		40.274		6.810		0.477		-0.013
2000		33.461		105.356		83.569		43.574		6.218		0.159		-0.004


2054.000		33.959		106.255		84.154		45.394		ALPHA <--> BETA

2100		34.384		107.011		84.646		46.966		0. 0. 0.
2200		35.307		108.632		85.700		50.451		0.		0.		0.
2300		36.231		110.222		86.732		54.028		0.		0.		0.
2400		37.154		111.784		87.743		57.697		0.		0.		0.
2500		38.077		113.353		88.736		61.542		0.		0.		0.


2500.000		38.077		113.353		88.736		61.542		BETA <--> LIQUID

2600		39.001		114.865		89.712		65.396		29.200 1.170 0.024
2700		39.924		116.354		90.672		69.342		-29.019		2.335		-0.045
2800		40.847		117.822		91.615		73.381		-28.746		3.492		-0.065
2900		41.771		119.272		92.544		77.512		-28.381		4.637		-0.084
3000		42.694		120.704		93.459		81.735		-27.923		5.768		-0.100

PREVIOUS:								CURRENT: March 1979

Hafnium, Beta (Hf)								Hf₁(cr)

Download table in tab-delimited text format.