1,5-Cyclooctadiene

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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

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Individual Reactions

1,5-Cyclooctadiene + 2Hydrogen = Cyclooctane

By formula: C8H12 + 2H2 = C8H16

Quantity Value Units Method Reference Comment
Δr-55.0 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase
Δr-53.68 ± 0.02kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

1,5-Cyclooctadiene = 1,3-Cyclooctadiene, (Z,Z)-

By formula: C8H12 = C8H12

Quantity Value Units Method Reference Comment
Δr-4.6 ± 0.2kcal/molEqkTaskinen and Nummelin, 1985liquid phase

1,5-Cyclooctadiene = 1,4-Cyclooctadiene, (Z,Z)-

By formula: C8H12 = C8H12

Quantity Value Units Method Reference Comment
Δr-0.7 ± 0.2kcal/molEqkTaskinen and Nummelin, 1985liquid phase

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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C8H12+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.9PEBatich, Bischof, et al., 1973LLK
9.1 ± 0.1EIDavidson, Jones, et al., 1969RDSH

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.

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]

Turner, Mallon, et al., 1973
Turner, R.B.; Mallon, B.J.; Tichy, M.; Doering, W.v.E.; Roth, W.R.; Schroder, G., Heats of hydrogenation. X. Conjugative interaction in cyclic dienes and trienes, J. Am. Chem. Soc., 1973, 95, 8605-8610. [all data]

Taskinen and Nummelin, 1985
Taskinen, E.; Nummelin, K., Relative thermodynamic stabilities of the isomeric cyclooctadienes, Acta Chem. Scand., Ser. B, 1985, 39, 791-792. [all data]

Batich, Bischof, et al., 1973
Batich, C.; Bischof, P.; Heilbronner, E., The photoelectron spectra of cyclooctatetraene and its hydrogenated derivatives, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 333. [all data]

Davidson, Jones, et al., 1969
Davidson, I.M.T.; Jones, M.; Kemmitt, R.D.W., Mass spectra and appearance potentials of some 1,5-cyclooctadiene-rhodium complexes, J.Organometal. Chem., 1969, 17, 169. [all data]


Notes

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