Boron Carbide (B4C)								C1B4(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		53.764		69.426		69.426		0.		51.885		39.855		-6.982
300		54.266		69.760		69.427		0.100		51.885		39.780		-6.926
400		76.358		88.604		71.846		6.703		52.016		35.730		-4.666
500		89.789		107.176		77.074		15.051		52.113		31.645		-3.306
600		98.366		124.354		83.544		24.486		52.045		27.554		-2.399
700		103.680		139.933		90.506		34.599		51.765		23.491		-1.753
800		107.654		154.045		97.580		45.171		51.285		19.483		-1.272
900		110.989		166.917		104.580		56.104		50.656		15.544		-0.902
1000		114.299		178.785		111.414		67.370		49.950		11.681		-0.610
1100		117.336		189.822		118.046		78.954		49.220		7.889		-0.375
1200		120.190		200.155		124.463		90.831		48.491		4.164		-0.181
1300		122.909		209.884		130.663		102.987		47.781		0.499		-0.020
1400		125.533		219.089		136.653		115.410		47.105		-3.113		0.116
1500		128.089		227.837		142.443		128.091		46.475		-6.677		0.233
1600		130.587		236.184		148.043		141.025		45.899		-10.202		0.333
1700		133.047		244.174		153.464		154.207		45.384		-13.692		0.421
1750.000		134.265		248.049		156.112		160.890		GLASS <--> LIQUID
1750.000		135.980		248.049		156.112		160.890		TRANSITION
1800		135.980		251.879		158.719		167.689		44.991		-17.155		0.498
1900		135.980		259.231		163.817		181.287		44.544		-20.596		0.566
2000		135.980		266.206		168.764		194.885		43.932		-24.009		0.627
2100		135.980		272.841		173.563		208.483		43.161		-27.388		0.681
2200		135.980		279.167		178.221		222.081		42.235		-30.726		0.730
2300		135.980		285.211		182.742		235.679		41.156		-34.019		0.773
2400		135.980		290.998		187.133		249.277		-161.109		-32.987		0.718
2500		135.980		296.549		191.399		262.875		-162.796		-27.614		0.577
2600		135.980		301.883		195.547		276.473		-164.498		-22.173		0.445
2700		135.980		307.014		199.581		290.071		-166.215		-16.666		0.322
2743.000		135.980		309.163		201.282		295.918		CRYSTAL <--> LIQUID
2800		135.980		311.960		203.507		303.669		167.945 11.096 0.207
2900		135.980		316.731		207.329		317.267		-169.688		-5.463		0.098
3000		135.980		321.341		211.053		330.865		-171.445		0.230		-0.004
3100		135.980		325.800		214.683		344.463		-173.214		5.981		-0.101
3200		135.980		330.117		218.223		358.061		-174.996		11.790		-0.192
3300		135.980		334.302		221.678		371.659		-176.791		17.655		-0.279
3400		135.980		338.361		225.050		385.257		-178.597		23.574		-0.362
3500		135.980		342.303		228.344		398.855		-180.416		29.547		-0.441
3600		135.980		346.133		231.563		412.453		-182.246		35.572		-0.516
3700		135.980		349.859		234.710		426.051		-184.088		41.648		-0.588
3800		135.980		353.486		237.788		439.649		-185.942		47.773		-0.657
3900		135.980		357.018		240.801		453.247		-187.807		53.948		-0.723
4000		135.980		360.460		243.749		466.845		-189.684		60.171		-0.786
4100		135.980		363.818		246.637		480.443		-191.571		66.440		-0.846
4200		135.980		367.095		249.466		494.041		-2112.868		100.853		-1.254
4300		135.980		370.295		252.239		507.639		-2110.429		153.532		-1.865
4400		135.980		373.421		254.958		521.237		-2108.008		206.154		-2.447
4500		135.980		376.477		257.624		534.835		-2105.607		258.721		-3.003
PREVIOUS: December 1965								CURRENT: June 1983
Boron Carbide (B4C)								C1B4(l)

Download table in tab-delimited text format.