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1,5-Dicarbapentaborane(5)


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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
10.54PEFehlner, 1975LLK
10.9PEUlman and Fehlner, 1978Vertical value; LLK

De-protonation reactions

C2H4B3- + Hydrogen cation = C2H5B3

By formula: C2H4B3- + H+ = C2H5B3

Quantity Value Units Method Reference Comment
Deltar<428.90kcal/molEIAEOnak, Howard, et al., 1973gas phase; From closo-1,5-C2B3H5. G3MP2B3 calculations indicate a dHacid ca. 387 kcal/mol; B

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.

Fehlner, 1975
Fehlner, T.P., Photoelectron spectroscopy of closo-carboranes. Observation of exo-polyhedral molecular orbitals, Inorg. Chem., 1975, 14, 934. [all data]

Ulman and Fehlner, 1978
Ulman, J.A.; Fehlner, T.P., Ultraviolet photoelectron spectroscopy of boranes and carboranes. Five-, six-, and seven- atom frameworks, J. Am. Chem. Soc., 1978, 100, 449. [all data]

Onak, Howard, et al., 1973
Onak, T.; Howard, J.; Brown, C., Negative Ion Mass Spectrometry of closo-Carboranes, J. Chem. Soc. Dalton 76, 1973. [all data]


Notes

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