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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 (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. - 1685.
A 22.81719
B 3.899510
C -0.082885
D 0.042111
E -0.354063
F -8.163946
G 43.27846
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in March, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.19.9918.8118.82-0.00
300.20.0518.9418.820.04
400.22.1525.0319.642.16
500.23.3430.1121.244.44
600.24.1534.4423.096.81
700.24.8038.2224.989.26
800.25.3541.5626.8511.77
900.25.8544.5828.6614.33
1000.26.3247.3330.3916.94
1100.26.7749.8632.0419.59
1200.27.2052.2133.6322.29
1300.27.6354.4035.1425.04
1400.28.0556.4636.5927.82
1500.28.4658.4137.9830.64
1600.28.8860.2639.3233.51

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

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