Reaction data

Tetracyclo[3.2.0.0(2,7).0(4,6)]heptane = 2,5-Norbornadiene

Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.)

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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

ΔrH° (kJ/mol) Method Reference Comment
-89.0 ± 1.2CmAn and Xie, 1993liquid phase; ALS
-81. ± 1.EqkMaruyama, Tamiaki, et al., 1986liquid phase; solvent: Aqueous; ALS
-113.5 ± 1.0CisoWiberg and Connon, 1976gas phase; ALS
-109.5 ± 1.0CisoWiberg and Connon, 1976liquid phase; solvent: Chloroform; ALS
-88.7 ± 0.8CisoKabakoff, Bunzli, et al., 1975liquid phase; solvent: Toluene; ALS
-80.3 ± 4.2CmKabakoff, Bunzli, et al., 1975gas phase; ALS

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.

An and Xie, 1993
An, X.; Xie, Y., Enthalpy of isomerization of quadricyclane to norbornadiene, Thermochim. Acta, 1993, 220, 17-25. [all data]

Maruyama, Tamiaki, et al., 1986
Maruyama, K.; Tamiaki, H.; Kawabata, S., Exothermic isomerization of water-soluble quadricyclanes to norbornadienes by soluble and insoluble catalysts, J. Chem. Soc. Perkin Trans. 2, 1986, 543-549. [all data]

Wiberg and Connon, 1976
Wiberg, K.B.; Connon, H.A., Enthalpy of the metal catalyzed isomerizations of quadricyclane and of tricyclo[4.1.0.02,7]heptane, J. Am. Chem. Soc., 1976, 98, 5411-5412. [all data]

Kabakoff, Bunzli, et al., 1975
Kabakoff, D.S.; Bunzli, J.-C.G.; Oth, J.F.M.; Hammond, W.B.; Berson, J.A., Enthalpy and kinetics of isomerization of quadricyclane to norbornadiene. Strain energy of quadricyclane, J. Am. Chem. Soc., 1975, 97, 1510-1511. [all data]

Notes

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