Cyclopentane, 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-100.8 ± 0.63kJ/molChydRogers, Crooks, et al., 1987liquid phase
Δr-101.3 ± 0.50kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Δr-96.3 ± 0.2kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Δr-96.3 ± 0.2kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid
Δr-96.3 ± 0.2kJ/molChydTurner and Garner, 1957, 2liquid phase; solvent: Acetic acid

Hydrogen + Cyclopentane, methylene- = Cyclopentane, methyl-

By formula: H2 + C6H10 = C6H12

Quantity Value Units Method Reference Comment
Δr-115.9 ± 0.96kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Δr-112.5 ± 0.08kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Δr-112.3 ± 0.2kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid
Δr-112.2 ± 0.3kJ/molChydTurner and Garner, 1957, 2liquid phase; solvent: Acetic acid

Cyclopentene, 3-methyl- + Hydrogen = Cyclopentane, methyl-

By formula: C6H10 + H2 = C6H12

Quantity Value Units Method Reference Comment
Δr-115.4 ± 0.75kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane

Cyclopentane, methyl- = Cyclohexane

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Δr-14.69kJ/molEqkGlasebrook and Lovell, 1939liquid phase; Heat of isomerization

2Hydrogen + Bicyclo(3.1.0)hex-2-ene = Cyclopentane, methyl-

By formula: 2H2 + C6H8 = C6H12

Quantity Value Units Method Reference Comment
Δr-264. ± 0.8kJ/molChydRoth, Adamczak, et al., 1991liquid phase

3Hydrogen + Fulvene = Cyclopentane, methyl-

By formula: 3H2 + C6H6 = C6H12

Quantity Value Units Method Reference Comment
Δr-330. ± 0.4kJ/molChydRoth, Adamczak, et al., 1991liquid phase

2Hydrogen + 3-Methylenecyclopentene = Cyclopentane, methyl-

By formula: 2H2 + C6H8 = C6H12

Quantity Value Units Method Reference Comment
Δr-221. ± 0.8kJ/molChydRoth, Adamczak, et al., 1991liquid phase

Cyclohexane = Cyclopentane, methyl-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Δr18.1 ± 1.2kJ/molEqkKabo and Andreevskii, 1973liquid 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]

Glasebrook and Lovell, 1939
Glasebrook, A.L.; Lovell, W.G., The isomerization of cyclohexane and methylcyclopentane, J. Am. Chem. Soc., 1939, 61, 1717-1720. [all data]

Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R., Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld, Chem. Ber., 1991, 124, 2499-2521. [all data]

Kabo and Andreevskii, 1973
Kabo, G.Ya.; Andreevskii, D.N., Thermodynamic characteristics of the cyclohexane = methylcyclopentane isomerization, Zh. Fiz. Khim., 1973, 47, 272-273. [all data]


Notes

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