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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
Deltafliquid2.964kcal/molReviewChase, 1998Data last reviewed in March, 1978
Quantity Value Units Method Reference Comment
liquid,1 bar8.308cal/mol*KReviewChase, 1998Data last reviewed in March, 1978

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

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Temperature (K) 1809. - 3133.345
A 11.00000
B -4.504460×10-9
C 1.456680×10-9
D -1.587071×10-10
E -1.970870×10-9
F -2.582560
G 17.33770
H 2.962481
ReferenceChase, 1998
Comment Data last reviewed in March, 1978

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

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Temperature (K) 298. - 700.700. - 1042.1042. - 1100.1100. - 1809.298. - 1809.
A 4.404561-13806.80-77.88860-185.64505.730041
B 5.88982132963.606.914140219.74201.999941
C -2.130430-29343.500.000000-91.710900.000066
D 2.3099209245.3200.00000013.64280-0.000021
E -0.003022954.369098.4615057.87211-0.000001
F -1.5709905754.940178.2560166.73600.064060
G 10.16130-20880.5057.80990-133.453014.83350
H 0.0000000.0000000.0000000.0000001.861381
ReferenceChase, 1998Chase, 1998Chase, 1998Chase, 1998Chase, 1998
Comment «alpha»-«delta» phase; Data last reviewed in March, 1978 «alpha»-«delta» phase; Data last reviewed in March, 1978 «alpha»-«delta» phase; Data last reviewed in March, 1978 «alpha»-«delta» phase; Data last reviewed in March, 1978 «gamma» phase; Data last reviewed in March, 1978

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]


Notes

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