Boron nitride


Solid Phase Heat Capacity (Shomate Equation)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 1100.1100. to 3500.
A -0.38872518.67770
B 24.37421-5.576881
C -19.484901.635850
D 6.130720-0.167245
E -0.053311-4.072740
F -60.95791-74.53100
G -3.69447015.78790
H -59.97001-59.97001
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.4.713.533.54-0.00
300.4.743.563.540.01
400.6.305.153.740.56
500.7.486.694.181.26
600.8.408.144.722.05
700.9.129.495.302.93
800.9.7010.745.913.87
900.10.1711.916.514.86
1000.10.5813.017.115.90
1100.10.9614.037.696.98
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1100.10.9314.037.696.98
1200.11.2215.008.268.09
1300.11.4215.908.819.22
1400.11.5416.759.3510.37
1500.11.6217.559.8711.53
1600.11.6718.3010.3712.69
1700.11.6919.0110.8613.86
1800.11.7119.6811.3315.03
1900.11.7120.3111.7916.20
2000.11.7120.9212.2317.37
2100.11.7121.4912.6618.54
2200.11.7022.0313.0719.71
2300.11.7022.5513.4720.88
2400.11.7023.0513.8622.05
2500.11.6923.5314.2423.22
2600.11.6923.9914.6024.39
2700.11.6924.4314.9625.56
2800.11.7024.8515.3126.73
2900.11.7025.2615.6427.90
3000.11.7025.6615.9729.07
3100.11.7026.0416.2930.24
3200.11.7026.4116.6031.41
3300.11.7026.7716.9032.58
3400.11.7027.1217.2033.75
3500.11.6927.4617.4934.92

References

Go To: Top, Solid Phase Heat Capacity (Shomate Equation), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]


Notes

Go To: Top, Solid Phase Heat Capacity (Shomate Equation), References