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MeCðCCH2 anion


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 by: John E. Bartmess

Protonation reactions

C4H5- + Hydrogen cation = 2-Butyne

By formula: C4H5- + H+ = C4H6

Quantity Value Units Method Reference Comment
Deltar1628. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase; Acid: MeC«equiv»CMe
Deltar1628. ± 14.kJ/molG+TSN/Agas phase; Measured vs pyridine
Quantity Value Units Method Reference Comment
Deltar1597. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase; Acid: MeC«equiv»CMe
Deltar1596. ± 13.kJ/molIMREN/Agas phase; Measured vs pyridine

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.

Gal, Decouzon, et al., 2001
Gal, J.F.; Decouzon, M.; Maria, P.C.; Gonzalez, A.I.; Mo, O.; Yanez, M.; El Chaouch, S.; Guillemin, J.C., Acidity trends in alpha,beta-unsaturated alkanes, silanes, germanes, and stannanes, J. Am. Chem. Soc., 2001, 123, 26, 6353-6359, https://doi.org/10.1021/ja004079j . [all data]


Notes

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