Cyclopentene, 4-methyl-

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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
Δfgas15. ± 2.kJ/molCcbLabbauf and Rossini, 1961Heat of formation derived by Cox and Pilcher, 1970

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

Quantity Value Units Method Reference Comment
Tboil348.7KN/AAnonymous, 1951Uncertainty assigned by TRC = 1.5 K; TRC
Tboil338.3KN/ACook, 1949Uncertainty assigned by TRC = 0.5 K; TRC
Tboil348.KN/AMousseron, 1946Uncertainty assigned by TRC = 6. K; TRC
Tboil345.2KN/AZelinskii, 1902Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Tfus146.06KN/AAnonymous, 1951Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δvap32. ± 2.kJ/molVLabbauf and Rossini, 1961Heat of formation derived by Cox and Pilcher, 1970; ALS
Δvap32.7kJ/molN/ALabbauf and Rossini, 1961DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
33.2286.AStephenson and Malanowski, 1987Based on data from 271. to 403. K. See also Dykyj, 1972.; AC

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:


Reaction 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Cyclopentene, 1-methyl- = Cyclopentene, 4-methyl-

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr7.5 ± 0.2kJ/molEqkYursha and Kabo, 1975gas phase

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.

Labbauf and Rossini, 1961
Labbauf, A.; Rossini, F.D., Heats of combustion, formation, and hydrogenation of 14 selected cyclomonoolefin hydrocarbons, J. Phys. Chem., 1961, 65, 476-480. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Anonymous, 1951
Anonymous, R., , Sunbury Rep. No. 4199, Anglo-Iranian Oil Co., 1951. [all data]

Cook, 1949
Cook, N.C., Penn. State Univ., 1949. [all data]

Mousseron, 1946
Mousseron, M., Bull. Soc. Chim. Fr., 1946, 1946, 218. [all data]

Zelinskii, 1902
Zelinskii, N.D., Optically active hydrocarbons in the cyclopentene and cyclohexene series, Ber. Dtsch. Chem. Ges., 1902, 35, 2488. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Yursha and Kabo, 1975
Yursha, I.A.; Kabo, G.Ya., Thermodynamics of the isomerisation of methylcyclopentines, Russ. J. Phys. Chem. (Engl. Transl.), 1975, 49, 765-766. [all data]


Notes

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