1,3,5,7-Cyclooctatetraene

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Gas 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.

Data compiled as indicated in comments:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas71.13 ± 0.31kcal/molN/AProsen, Johnson, et al., 1950Value computed using ΔfHliquid° value of 254.5±1.3 kj/mol from Prosen, Johnson, et al., 1950 and ΔvapH° value of 43.1±0.31 kj/mol from missing citation.; DRB
Quantity Value Units Method Reference Comment
gas78.10 ± 0.35cal/mol*KN/AScott D.W., 1949GT

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.56450.Dorofeeva O.V., 1986Selected values of Cp(T) are in close agreement with those calculated by [ Lippincott E.R., 1951], while the S(T) values are 1.5-2.0 J/mol*K larger than obtained by [ Lippincott E.R., 1951].; GT
12.11100.
15.90150.
20.03200.
26.883273.15
29.30 ± 0.84298.15
29.484300.
38.678400.
46.465500.
52.811600.
57.995700.
62.292800.
65.894900.
68.9391000.
71.5321100.
73.7451200.
75.6451300.
77.2801400.
78.6951500.

References

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

Prosen, Johnson, et al., 1950
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heat of combustion and formation of 1,3,5,7-cyclooctatetraene and its heat of isomerization of styrene, J. Am. Chem. Soc., 1950, 72, 626-629. [all data]

Scott D.W., 1949
Scott D.W., Cyclooctatetraene: low-temperature heat capacity, heat of fusion, heat of vaporization, vapor pressure, and entropy, J. Am. Chem. Soc., 1949, 71, 1634-1636. [all data]

Dorofeeva O.V., 1986
Dorofeeva O.V., Thermodynamic properties of twenty-one monocyclic hydrocarbons, J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]

Lippincott E.R., 1951
Lippincott E.R., The thermodynamic functions of cyclooctatetraene, J. Am. Chem. Soc., 1951, 73, 3889-3891. [all data]


Notes

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