Boron nitride


Gas 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. - 1100.1100. - 6000.
A 4.7454508.085261
B 7.1897500.581057
C -4.746231-0.058894
D 1.1542010.002269
E 0.048190-0.190030
F 112.4670110.9180
G 54.8262959.35509
H 114.0000114.0000
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)
298.7.0450.7550.75-0.00
300.7.0450.8050.760.01
400.7.2452.8551.030.73
500.7.4954.4951.571.46
600.7.7355.8852.172.22
700.7.9557.0952.793.01
800.8.1358.1653.393.81
900.8.2759.1353.984.63
1000.8.3960.0054.545.47
1100.8.4960.8155.076.31
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1100.8.5060.8155.076.31
1200.8.5761.5555.587.16
1300.8.6362.2456.078.02
1400.8.6962.8856.538.89
1500.8.7563.4856.979.76
1600.8.8064.0557.4010.64
1700.8.8564.5857.8111.52
1800.8.8965.0958.2012.41
1900.8.9465.5758.5713.30
2000.8.9866.0358.9314.20
2100.9.0266.4759.2815.10
2200.9.0666.8959.6216.00
2300.9.1067.3059.9416.91
2400.9.1467.6960.2617.82
2500.9.1768.0660.5618.74
2600.9.2168.4260.8619.66
2700.9.2468.7761.1520.58
2800.9.2869.1061.4221.51
2900.9.3169.4361.6922.44
3000.9.3469.7561.9623.37
3100.9.3770.0562.2124.30
3200.9.4070.3562.4625.24
3300.9.4370.6462.7126.18
3400.9.4570.9262.9427.13
3500.9.4871.2063.1828.07
3600.9.5171.4663.4029.02
3700.9.5371.7363.6229.97
3800.9.5571.9863.8430.93
3900.9.5872.2364.0531.88
4000.9.6072.4764.2632.84
4100.9.6272.7164.4633.81
4200.9.6472.9464.6634.77
4300.9.6773.1764.8635.73
4400.9.6973.3965.0536.70
4500.9.7073.6165.2437.67
4600.9.7273.8265.4238.64
4700.9.7474.0365.6039.62
4800.9.7674.2465.7840.59
4900.9.7874.4465.9541.57
5000.9.7974.6466.1342.55
5100.9.8174.8366.2943.53
5200.9.8375.0266.4644.51
5300.9.8475.2166.6245.49
5400.9.8675.3966.7846.48
5500.9.8775.5766.9447.46
5600.9.8875.7567.1048.45
5700.9.9075.9367.2549.44
5800.9.9176.1067.4050.43
5900.9.9276.2767.5551.42
6000.9.9476.4367.7052.42

References

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