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Bicyclo[1.1.0]butane

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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
Deltafgas217. ± 0.8kJ/molCmWiberg and Fenoglio, 1968 
Quantity Value Units Method Reference Comment
Deltacgas-2648.7 ± 0.79kJ/molCmWiberg and Fenoglio, 1968Corresponding «DELTA»fgas = 217.1 kJ/mol (simple calculation by NIST; no Washburn corrections)

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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C4H5- + Hydrogen cation = Bicyclo[1.1.0]butane

By formula: C4H5- + H+ = C4H6

Quantity Value Units Method Reference Comment
Deltar1670. ± 17.kJ/molG+TSKass and Chou, 1988gas phase; Acidity between NH3, Me2NH, near nPrNH2.; B
Quantity Value Units Method Reference Comment
Deltar1636. ± 17.kJ/molIMRBKass and Chou, 1988gas phase; Acidity between NH3, Me2NH, near nPrNH2.; B

1,3-Diiodocyclobutane = Bicyclo[1.1.0]butane + Iodine

By formula: C4H6I2 = C4H6 + I2

Quantity Value Units Method Reference Comment
Deltar59.0 ± 4.2kJ/molCmSunner and Wulff, 1973liquid 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.

Wiberg and Fenoglio, 1968
Wiberg, K.B.; Fenoglio, R.A., Heats of formation of C4H6 hydrocarbons, J. Am. Chem. Soc., 1968, 90, 3395-3397. [all data]

Kass and Chou, 1988
Kass, S.R.; Chou, P.K., The Bicyclobutyl Anion: An Alkyl Carbanion, J. Am. Chem. Soc., 1988, 110, 23, 7899, https://doi.org/10.1021/ja00231a063 . [all data]

Sunner and Wulff, 1973
Sunner, S.; Wulff, C.A., Ring strain in diiodocyclobutane, Acta Chem. Scand., 1973, 27, 315-317. [all data]


Notes

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