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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Deltafliquid13.52kJ/molReviewChase, 1998Data last reviewed in June, 1982
Quantity Value Units Method Reference Comment
liquid,1 bar150.36J/mol*KReviewChase, 1998Data last reviewed in June, 1982
Quantity Value Units Method Reference Comment
solid,1 bar116.14 ± 0.30J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
solid116.14J/mol*KReviewChase, 1998Data last reviewed in June, 1982

Liquid Phase Heat Capacity (Shomate Equation)

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) 386.75 - 457.666
A 80.66919
B 6.855652×10-8
C -8.724352×10-8
D 3.723132×10-8
E 4.735829×10-10
F -10.52782
G 247.9798
H 13.52302
ReferenceChase, 1998
Comment Data last reviewed in June, 1982

Solid Phase Heat Capacity (Shomate Equation)

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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View table.

Temperature (K) 298. - 386.75
A -195.7635
B 918.8984
C -1079.242
D 534.3219
E 5.156403
F 43.29938
G -322.4780
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in June, 1982

References

Go To: Top, Condensed phase thermochemistry data, 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]

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, References