Cyclopentane, propyl-

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Condensed 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-188.7 ± 0.92kJ/molCcrGood, 1971ALS
Δfliquid-189.2 ± 1.3kJ/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
Δcliquid-5245.98 ± 0.75kJ/molCcrGood, 1971Corresponding Δfliquid = -188.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-5245.6 ± 1.2kJ/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -189.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid310.83J/mol*KN/AMesserly, Todd, et al., 1965DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
216.27298.15Messerly, Todd, et al., 1965T = 12 to 370 K.; DH

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 + Cyclopentane, 2-propenyl- = Cyclopentane, propyl-

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Δr-129. ± 2.kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon

Gas phase ion energetics 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:
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
9.34 ± 0.05EIHolmes and Lossing, 1991LL
10.00 ± 0.04PERang, Paldoia, et al., 1974Vertical value; LLK

References

Go To: Top, Condensed phase thermochemistry data, 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.

Good, 1971
Good, W.D., The enthalpies of combustion and formation of n-propylcyclopentane and five methylethylcyclopentanes, J. Chem. Thermodyn., 1971, 3, 97-103. [all data]

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Messerly, Todd, et al., 1965
Messerly, J.F.; Todd, S.S.; Finke, H.L., Low-temperature thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclopentanes, J. Phys. Chem., 1965, 69, 353-359. [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]

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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