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Benzobicyclo[2.2.0]hexa-2,5-diene


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
Deltafgas399. ± 7.9kJ/molCisoGrimme and Heinze, 1978 

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

Benzobicyclo[2.2.0]hexa-2,5-diene = Naphthalene

By formula: C10H8 = C10H8

Quantity Value Units Method Reference Comment
Deltar-248.5 ± 8.0kJ/molEqkDreeskamp, Kapahnke, et al., 1988liquid phase; solvent: Heptane; Isomerization
Deltar-249.2 ± 8.0kJ/molCisoGrimme and Heinze, 1978liquid phase; solvent: Heptane

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.

Grimme and Heinze, 1978
Grimme, W.; Heinze, U., Kinetics and enthalpy of isomerization of benzobicyclo[2.2.0]hexa-2,5-diene, Chem. Ber., 1978, 111, 2563-2570. [all data]

Dreeskamp, Kapahnke, et al., 1988
Dreeskamp, H.; Kapahnke, P.; Tochtermann, W., Photo valence isomerization of sterically strained aromatic hydrocarbons: 8,9-dicarbethoxy[6]paracyclophane, Radiat. Phys. Chem., 1988, 32, 537-539. [all data]


Notes

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