Cyclopentene, 1-methyl-

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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

Hydrogen + Cyclopentene, 1-methyl- = Cyclopentane, methyl-

By formula: H2 + C6H10 = C6H12

Quantity Value Units Method Reference Comment
Δr-24.09 ± 0.15kcal/molChydRogers, Crooks, et al., 1987liquid phase
Δr-24.22 ± 0.12kcal/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Δr-23.01 ± 0.04kcal/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Δr-23.01 ± 0.04kcal/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid
Δr-23.01 ± 0.04kcal/molChydTurner and Garner, 1957, 2liquid phase; solvent: Acetic acid

Cyclopentene, 1-methyl- + Water = Cyclopentanol, 2-methyl-, cis-

By formula: C6H10 + H2O = C6H12O

Quantity Value Units Method Reference Comment
Δr-13.34 ± 0.34kcal/molEqkTaft, Levy, et al., 1952gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -14.34 ± 0.34 kcal/mol; At 308 °K

Cyclopentene, 1-methyl- + Hydrogen chloride = 1-Chloro-1-methylcyclopentane

By formula: C6H10 + HCl = C6H11Cl

Quantity Value Units Method Reference Comment
Δr-12.92 ± 0.38kcal/molCmArnett and Pienta, 1980liquid phase; solvent: Methylene chloride; Hydrochlorination

Cyclopentene, 1-methyl- = Cyclopentane, methylene-

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr3.78 ± 0.20kcal/molEqkYursha and Kabo, 1975gas phase

Cyclopentene, 1-methyl- = Cyclopentene, 3-methyl-

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr1.93 ± 0.07kcal/molEqkYursha and Kabo, 1975gas phase

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

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr1.79 ± 0.04kcal/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.

Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K., Enthalpies of hydrogenation of the hexenes, J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]

Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N., Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements, Tetrahedron, 1982, 38, 1593-1597. [all data]

Turner and Garner, 1958
Turner, R.B.; Garner, R.H., Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs, J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]

Turner and Garner, 1957
Turner, R.B.; Garner, R.H., Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs, J. Am. Chem. Soc., 1957, 80, 1424-1430. [all data]

Turner and Garner, 1957, 2
Turner, R.B.; Garner, R.H., The stability relationship of 1-methyl-cyclopentene and methylenecyclopentane, J. Am. Chem. Soc., 1957, 79, 253. [all data]

Taft, Levy, et al., 1952
Taft, R.W., Jr.; Levy, J.B.; Aaron, D.; Hammett, L.P., Rates, equilibrium and temperature coefficients in the reversible hydration of gaseous 1-methylcyclopentene-1 by dilute nitric acid, J. Am. Chem. Soc., 1952, 74, 4735-47. [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]

Arnett and Pienta, 1980
Arnett, E.M.; Pienta, N.J., Stabilities of carbonium ions in solution. 12. Heats of formation of alkyl chlorides as an entree to heats of solvation of aliphatic carbonium ions, J. Am. Chem. Soc., 1980, 102, 3329-3334. [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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