o-Xylylene


Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas53. ± 4.kcal/molIonPollack, Raine, et al., 1981 
Δfgas60.8kcal/molKinRoth and Scholz, 1981 

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

o-Xylylene = Bicyclo[4.2.0]octa-1,3,5-triene

By formula: C8H8 = C8H8

Quantity Value Units Method Reference Comment
Δr-13.1kcal/molKinRoth and Scholz, 1981gas phase
Δr-10.6 ± 0.45kcal/molCmRoth, Biermann, et al., 1978liquid phase

Bicyclo[4.2.0]octa-1,3,5-triene = o-Xylylene

By formula: C8H8 = C8H8

Quantity Value Units Method Reference Comment
Δr11.1 ± 0.2kcal/molEqkRoth, Ebbrecht, et al., 1988gas 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 evaluated by: Edward P. Hunter and Sharon G. Lias

View reactions leading to C8H8+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)214.8kcal/molN/AHunter and Lias, 1998 
Quantity Value Units Method Reference Comment
Gas basicity208.3kcal/molN/AHunter and Lias, 1998 

References

Go To: Top, Gas 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.

Pollack, Raine, et al., 1981
Pollack, S.K.; Raine, B.C.; Hehre, W.J., Determination of the heats of formation of the isomeric xylylenes by ion cyclotron double-resonance spectroscopy, J. Am. Chem. Soc., 1981, 103, 6308-6313. [all data]

Roth and Scholz, 1981
Roth, W.R.; Scholz, B.P., Energy profile of the o-quinodimethane = benzocyclobutene equilibrium. Part 2., Chem. Ber., 1981, 114, 3741-3750. [all data]

Roth, Biermann, et al., 1978
Roth, W.R.; Biermann, M.; Dekker, H.; Jochems, R.; Mosselman, C.; Hermann, H., Energy profile of the o-quinodimethane-benzocyclobutene equilibrium, Chem. Ber., 1978, 111, 3892-3903. [all data]

Roth, Ebbrecht, et al., 1988
Roth, W.R.; Ebbrecht, T.; Beitat, A., o-Quinodimethane-benzocyclobutene equilibrium: oxygen trapping technique, Chem. Ber., 1988, 121, 1357-1358. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]


Notes

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