1,4-Cycloheptadiene


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

2Hydrogen + 1,4-Cycloheptadiene = Cycloheptane

By formula: 2H2 + C7H10 = C7H14

Quantity Value Units Method Reference Comment
Δr-55.9 ± 0.8kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C7H10+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.85 ± 0.03PIDemeo and El-Sayed, 1970RDSH

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillarySqualane42.5784.Engewald, Epsch, et al., 1974N2; Column length: 100. m; Column diameter: 0.23 mm

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, NIST Subscription Links, Notes

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

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]

Demeo and El-Sayed, 1970
Demeo, D.A.; El-Sayed, M.A., Ionization potential and structure of olefins, J. Chem. Phys., 1970, 52, 2622. [all data]

Engewald, Epsch, et al., 1974
Engewald, W.; Epsch, K.; Graefe, J.; Welsch, Th., Molekülstruktur und retentionsverhalten. II. Retentionsverhalten cycloaliphatischer kohlenwasser-stoffe bei der gas-adsorptions- und gas-verteilungschromatographie, J. Chromatogr., 1974, 91, 623-631, https://doi.org/10.1016/S0021-9673(01)97943-9 . [all data]


Notes

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