Cyclohexane, pentyl-

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-55.88 ± 0.40kcal/molCcbProsen, Johnson, et al., 1946 

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.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcliquid-1730.18 ± 0.37kcal/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -55.85 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil477.0KN/ASmith and Pennekamp, 1945Uncertainty assigned by TRC = 0.6 K; TRC
Tboil474.8KN/ASignaigo and Cramer, 1933Uncertainty assigned by TRC = 1.5 K; TRC
Tboil469.4KN/AStratford, 1929Uncertainty assigned by TRC = 4. K; TRC
Tboil472.15KN/ABourguel, 1927Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δvap12.9 ± 0.3kcal/molAVGN/AAverage of 6 values; Individual data points

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Smith and Pennekamp, 1945
Smith, H.A.; Pennekamp, E.F.H., The Catalytic Hydrogenation of the Benzene Nucleus II. The Hydrogenation of Benzene and Mono-alkylkbenzenes, J. Am. Chem. Soc., 1945, 67, 276. [all data]

Signaigo and Cramer, 1933
Signaigo, F.K.; Cramer, P.L., The preparation of some mono- and dialkylcylohexanes, J. Am. Chem. Soc., 1933, 55, 3326-32. [all data]

Stratford, 1929
Stratford, R., Ann. Off. Natl. Combust. Liq. (Fr.), 1929, 4, 83. [all data]

Bourguel, 1927
Bourguel, M., Bull. Soc. Chim. Fr., 1927, 41, 1475. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References