3,3-Dimethyl-6-methylidene-1,4-cyclohexadiene

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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

3Hydrogen + 3,3-Dimethyl-6-methylidene-1,4-cyclohexadiene = 1,1,4-Trimethylcyclohexane

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Δr-321.kJ/molChydDoering, Birladeanu, et al., 1996liquid phase; solvent: Hydrocarbone; Unpublished results by D. Rogers

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C9H12+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.0PEBally, Neuhaus, et al., 1983LBLHLM
8.07PEBally, Neuhaus, et al., 1983Vertical value; LBLHLM

References

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

Doering, Birladeanu, et al., 1996
Doering, W.E.; Birladeanu, L.; Sarma, K.; Shao, L., The cyclohexadienyl radical in the thermal syn-arti isomerization of two crossed pentaenes of the type of bis-homofulvalene, J. Am. Chem. Soc., 1996, 118, 6660-6665. [all data]

Bally, Neuhaus, et al., 1983
Bally, T.; Neuhaus, L.; Nitsche, S.; Haselbach, E.; Janssen, J.; Luttke, W., Cross conjugated polyenes derived from 2-vinylbutadiene: Electronic states of their radical cations and triplet energy, Helv. Chim. Acta, 1983, 66, 1288. [all data]


Notes

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