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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. - 600.600. - 700.700. - 1728.
A 13.691601248.04516.49839
B 82.49509-1257.51018.74913
C -174.95480.000000-6.639841
D 161.60110.0000001.717278
E -0.092417-165.12661.872051
F -6.833644-788.8263-0.467675
G 27.669001212.89151.67575
H 0.0000000.0000000.000000
ReferenceChase, 1998Chase, 1998Chase, 1998
Comment Data last reviewed in December, 1976 Data last reviewed in December, 1976 Data last reviewed in December, 1976
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.25.9729.8529.87-0.01
300.26.0330.0329.870.05
400.28.4637.8630.922.78
500.31.0344.4832.995.74
600.34.8550.4435.409.02
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
600.34.8550.1935.438.86
700.30.7955.9837.9712.61
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
700.30.7855.5737.9412.34
800.31.0559.7040.4115.43
900.31.5663.3842.7618.56
1000.32.2066.7444.9921.75
1100.32.9269.8447.1125.00
1200.33.7072.7449.1328.34
1300.34.5375.4751.0531.75
1400.35.4078.0652.8935.24
1500.36.3180.5454.6538.83
1600.37.2682.9156.3442.51
1700.38.2785.2057.9746.28

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