Cyclopentane, ethyl-

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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 + 1-Ethylcyclopentene = Cyclopentane, ethyl-

By formula: H2 + C7H12 = C7H14

Quantity Value Units Method Reference Comment
Δr-101.9 ± 0.63kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Δr-98.3 ± 0.8kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon
Δr-98.58 ± 0.46kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Δr-98.58 ± 0.46kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid

Hydrogen + Cyclopentane, ethylidene- = Cyclopentane, ethyl-

By formula: H2 + C7H12 = C7H14

Quantity Value Units Method Reference Comment
Δr-106.9 ± 0.4kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane
Δr-101. ± 0.8kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon
Δr-104.1 ± 0.50kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Δr-104.1 ± 0.50kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid

Hydrogen + Vinylcyclopentane = Cyclopentane, ethyl-

By formula: H2 + C7H12 = C7H14

Quantity Value Units Method Reference Comment
Δr-119. ± 0.8kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon

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

By formula: H2 + C7H12 = C7H14

Quantity Value Units Method Reference Comment
Δr-114.5 ± 0.46kJ/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane

2Hydrogen + 3-(cis-Ethylidene)-1-cyclopentene = Cyclopentane, ethyl-

By formula: 2H2 + C7H10 = C7H14

Quantity Value Units Method Reference Comment
Δr-211. ± 0.4kJ/molChydRoth, Adamczak, et al., 1991liquid phase

3Hydrogen + 6-Methylfulvene = Cyclopentane, ethyl-

By formula: 3H2 + C7H8 = C7H14

Quantity Value Units Method Reference Comment
Δr-312. ± 0.4kJ/molChydRoth, Adamczak, et al., 1991liquid phase

3Hydrogen + Spiro[2,4]hepta-4,6-diene = Cyclopentane, ethyl-

By formula: 3H2 + C7H8 = C7H14

Quantity Value Units Method Reference Comment
Δr-364. ± 0.8kJ/molChydRoth, Adamczak, et al., 1991liquid phase

Gas phase ion energetics data

Go To: Top, Reaction 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:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
≤9.60EIHolmes and Lossing, 1991LL
10.12 ± 0.02PERang, Paldoia, et al., 1974LLK

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

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]

Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J., A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring, Tetrahedron, 1971, 27, 3765-3775. [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]

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]

Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P., Ionization energies of homologous organic compounds and correlation with molecular size, Org. Mass Spectrom., 1991, 26, 537. [all data]

Rang, Paldoia, et al., 1974
Rang, S.; Paldoia, P.; Talvari, A., Ionization potentials of unsaturated hydrocarbons. 2. Mono-substituted cyclopentenes and cyclohexenes, Eesti. NSV Tead. Akad. Toim., 1974, 354. [all data]


Notes

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