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1,2-Cyclobutanedione


Phase change 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: William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Reference Comment
13.1315.Cao and Back, 1985Based on data from 295. - 335. K.

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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.60PEGleiter, Schang, et al., 1985Vertical value; LBLHLM
9.61PESchang, Gleiter, et al., 1978Vertical value; LLK
9.61PEGleiter, Schang, et al., 1978Vertical value; LLK

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.

Cao and Back, 1985
Cao, J.-R.; Back, R.A., The thermal decomposition of cyclobutane-1,2-dione, Can. J. Chem., 1985, 63, 11, 2945-2948, https://doi.org/10.1139/v85-488 . [all data]

Gleiter, Schang, et al., 1985
Gleiter, R.; Schang, P.; Bloch, M.; Heilbronner, E.; Bunzli, J.-C.; Frost, D.C.; Weiler, L., The He(I«alpha») PE spectra and electronic absorption spectra of hexafluorocyclobutanone and of tetrafluoro-1,2-cyclobutanedione, Chem. Ber., 1985, 118, 2127. [all data]

Schang, Gleiter, et al., 1978
Schang, P.; Gleiter, R.; Rieker, A., The He(I) photoelectron spectrum of cyclobutene-1,2-dione and o-benzoquinone, Ber. Bunsen-Ges. Phys. Chem., 1978, 82, 629. [all data]

Gleiter, Schang, et al., 1978
Gleiter, R.; Schang, P.; Seitz, G., Photoelectron spectra of cyclobutene-1,2-dione derivatives, Chem. Phys. Lett., 1978, 55, 144. [all data]


Notes

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