MeCðCCH2 anion


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 by: John E. Bartmess

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Individual Reactions

C4H5- + Hydrogen cation = 2-Butyne

By formula: C4H5- + H+ = C4H6

Quantity Value Units Method Reference Comment
Δr1628. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase; Acid: MeC≡CMe
Δr1628. ± 14.kJ/molG+TSN/Agas phase; Measured vs pyridine
Quantity Value Units Method Reference Comment
Δr1597. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase; Acid: MeC≡CMe
Δr1596. ± 13.kJ/molIMREN/Agas phase; Measured vs pyridine

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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
Δr1628. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase; Acid: MeC≡CMe
Δr1628. ± 14.kJ/molG+TSN/Agas phase; Measured vs pyridine
Quantity Value Units Method Reference Comment
Δr1597. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase; Acid: MeC≡CMe
Δr1596. ± 13.kJ/molIMREN/Agas phase; Measured vs pyridine

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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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