Boron Carbide (B4C)								C1B4(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		-5.635		-62.404		-62.404		INFINITE
100		5.071		1.634		56.731		-5.510		-62.435		-62.380		32.584
200		27.426		11.311		31.236		-3.985		-62.568		-62.279		16.266
298.15		53.764		27.175		27.175		0.		-62.676		-62.109		10.881
300		54.266		27.509		27.176		0.100		-62.676		-62.106		10.814
400		76.358		46.353		29.595		6.703		-62.546		-61.931		8.087
500		89.789		64.925		34.822		15.051		-62.448		-61.791		6.455
600		98.366		82.103		41.293		24.486		-62.517		-61.657		5.368
700		103.680		97.682		48.254		34.599		-62.796		-61.494		4.589
800		107.654		111.793		55.329		45.171		-63.277		-61.277		4.001
900		110.989		124.666		62.328		56.104		-63.906		-60.991		3.540
1000		114.299		136.533		69.163		67.370		-64.611		-60.630		3.167
1100		117.336		147.571		75.795		78.954		-65.341		-60.196		2.858
1200		120.190		157.904		82.211		90.831		-66.071		-59.696		2.599
1300		122.909		167.632		88.411		102.987		-66.781		-59.136		2.376
1400		125.533		176.837		94.402		115.410		-67.456		-58.522		2.183
1500		128.089		185.585		100.191		128.091		-68.086		-57.862		2.015
1600		130.587		193.932		105.791		141.025		-68.663		-57.161		1.866
1700		133.047		201.923		111.213		154.207		-69.178		-56.426		1.734
1800		135.474		209.596		116.467		167.633		-69.626		-55.663		1.615
1900		137.875		216.986		121.564		181.301		-70.004		-54.877		1.509
2000		140.256		224.118		126.514		195.208		-70.307		-54.072		1.412
2100		142.620		231.019		131.327		209.352		-70.532		-53.255		1.325
2200		144.971		237.708		136.012		223.731		-70.677		-52.428		1.245
2300		147.306		244.203		140.575		238.345		-70.739		-51.597		1.172
2400		149.637		250.522		145.025		253.193		-271.756		-46.490		1.012
2500		151.955		256.677		149.369		268.272		-271.961		-37.099		0.775
2600		154.268		262.682		153.612		283.583		-271.950		-27.704		0.557
2700		156.578		268.548		157.760		299.126		-271.722		-18.313		0.354
2743.000		157.569		271.030		159.517		305.880		CRYSTAL <--> LIQUID
2800		158.887		274.284		161.820		314.899		271.276 8.935 0.167
2900		161.197		279.900		165.795		330.903		-270.614		0.423		-0.008
3000		163.507		285.403		169.691		347.138		-269.733		9.755		-0.170
3100		165.816		290.802		173.511		363.604		-268.635		19.054		-0.321
3200		168.126		296.103		177.259		380.301		-267.318		28.313		-0.462
PREVIOUS: December 1965								CURRENT: June 1983
Boron Carbide (B4C)								C1B4(cr)

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