Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Cyclopentane, methyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Reaction thermochemistry data

Go To: Top, References, Notes

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
Deltar-24.09 ± 0.15kcal/molChydRogers, Crooks, et al., 1987liquid phase
Deltar-24.22 ± 0.12kcal/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Deltar-23.01 ± 0.04kcal/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Deltar-23.01 ± 0.04kcal/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid
Deltar-23.01 ± 0.04kcal/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
Deltar-27.70 ± 0.23kcal/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Deltar-26.88 ± 0.02kcal/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Deltar-26.85 ± 0.05kcal/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid
Deltar-26.82 ± 0.08kcal/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
Deltar-27.58 ± 0.18kcal/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane

Cyclopentane, methyl- = Cyclohexane

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Deltar-3.510kcal/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
Deltar-63.1 ± 0.2kcal/molChydRoth, Adamczak, et al., 1991liquid phase

3Hydrogen + Fulvene = Cyclopentane, methyl-

By formula: 3H2 + C6H6 = C6H12

Quantity Value Units Method Reference Comment
Deltar-78.9 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase

2Hydrogen + 3-Methylenecyclopentene = Cyclopentane, methyl-

By formula: 2H2 + C6H8 = C6H12

Quantity Value Units Method Reference Comment
Deltar-52.9 ± 0.2kcal/molChydRoth, Adamczak, et al., 1991liquid phase

Cyclohexane = Cyclopentane, methyl-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Deltar4.32 ± 0.28kcal/molEqkKabo and Andreevskii, 1973liquid phase

References

Go To: Top, Reaction thermochemistry data, Notes

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

Go To: Top, Reaction thermochemistry data, References