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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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1100.1100. - 6000.
A 19.8549633.82873
B 30.081912.431142
C -19.85823-0.246413
D 4.8291730.009495
E 0.201627-0.795086
F 470.5619464.0809
G 229.3932248.3417
H 476.9760476.9760
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.29.45212.3212.4-0.00
300.29.46212.5212.40.06
400.30.28221.1213.53.04
500.31.34228.0215.86.12
600.32.36233.8218.39.30
700.33.25238.8220.912.59
800.34.00243.3223.415.95
900.34.61247.4225.819.38
1000.35.11251.1228.222.87
1100.35.51254.4230.426.40
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1100.35.56254.4230.426.40
1200.35.86257.5232.629.98
1300.36.12260.4234.633.57
1400.36.37263.1236.537.20
1500.36.60265.6238.440.85
1600.36.82268.0240.244.52
1700.37.02270.2241.948.21
1800.37.22272.3243.551.92
1900.37.40274.4245.155.65
2000.37.58276.3246.659.40
2100.37.76278.1248.063.17
2200.37.92279.9249.466.95
2300.38.08281.6250.870.75
2400.38.24283.2252.174.57
2500.38.39284.8253.478.40
2600.38.53286.3254.682.25
2700.38.67287.7255.886.11
2800.38.81289.1257.089.98
2900.38.94290.5258.193.87
3000.39.07291.8259.297.77
3100.39.20293.1260.3101.7
3200.39.32294.4261.3105.6
3300.39.44295.6262.4109.5
3400.39.55296.7263.4113.5
3500.39.66297.9264.3117.5
3600.39.77299.0265.3121.4
3700.39.87300.1266.2125.4
3800.39.97301.2267.1129.4
3900.40.07302.2268.0133.4
4000.40.17303.2268.9137.4
4100.40.26304.2269.7141.4
4200.40.35305.2270.5145.5
4300.40.44306.1271.4149.5
4400.40.52307.1272.2153.6
4500.40.61308.0273.0157.6
4600.40.68308.9273.7161.7
4700.40.76309.7274.5165.8
4800.40.84310.6275.2169.8
4900.40.91311.4276.0173.9
5000.40.98312.3276.7178.0
5100.41.05313.1277.4182.1
5200.41.11313.9278.1186.2
5300.41.18314.7278.8190.3
5400.41.24315.4279.4194.5
5500.41.30316.2280.1198.6
5600.41.36316.9280.7202.7
5700.41.41317.7281.4206.9
5800.41.47318.4282.0211.0
5900.41.52319.1282.6215.2
6000.41.57319.8283.2219.3

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