Boron nitride


Solid Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) 298. - 1100.1100. - 3500.
A -1.62642678.14750
B 101.9817-23.33367
C -81.524826.844396
D 25.65093-0.699753
E -0.223052-17.04034
F -255.0479-311.8377
G -15.4576666.05657
H -250.9145-250.9145
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)
298.19.6914.7614.80-0.01
300.19.8514.9014.800.03
400.26.3721.5515.652.36
500.31.3027.9817.485.25
600.35.1334.0419.748.58
700.38.1639.7022.2012.25
800.40.5744.9524.7216.19
900.42.5549.8527.2420.35
1000.44.2654.4229.7324.69
1100.45.8758.7232.1729.20
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1100.45.7558.7132.1729.19
1200.46.9662.7534.5533.83
1300.47.7666.5436.8738.57
1400.48.2870.1039.1243.38
1500.48.6173.4441.2948.22
1600.48.8176.5943.4053.09
1700.48.9379.5545.4457.98
1800.48.9882.3547.4262.88
1900.49.0085.0049.3267.78
2000.49.0087.5151.1772.68
2100.48.9989.9052.9677.58
2200.48.9792.1854.6982.47
2300.48.9594.3556.3787.37
2400.48.9496.4457.9992.26
2500.48.9398.4459.5797.16
2600.48.93100.461.10102.1
2700.48.93102.262.59106.9
2800.48.94104.064.04111.8
2900.48.95105.765.45116.7
3000.48.96107.466.82121.6
3100.48.97109.068.15126.5
3200.48.97110.569.45131.4
3300.48.97112.070.72136.3
3400.48.96113.571.95141.2
3500.48.93114.973.16146.1

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