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CH2=C(Me)CH2 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

C4H7- + Hydrogen cation = 1-Propene, 2-methyl-

By formula: C4H7- + H+ = C4H8

Quantity Value Units Method Reference Comment
Deltar1644. ± 7.5kJ/molEndoWenthold, Hu, et al., 1999gas phase
Deltar1619. ± 8.4kJ/molD-EAWenthold, Polak, et al., 1996gas phase
Deltar1633. ± 9.6kJ/molG+TSBartmess and Burnham, 1984gas phase
Quantity Value Units Method Reference Comment
Deltar1613. ± 7.9kJ/molH-TSWenthold, Hu, et al., 1999gas phase
Deltar1588. ± 8.8kJ/molH-TSWenthold, Polak, et al., 1996gas phase
Deltar1602. ± 9.2kJ/molIMREBartmess and Burnham, 1984gas phase

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.

Wenthold, Hu, et al., 1999
Wenthold, P.G.; Hu, J.; Squires, R.R.; Lineberger, W.C., Photoelectron spectroscopy of the trimethylenemethane negative ion, J. Am. Soc. Mass Spectrom., 1999, 10, 9, 800-809, https://doi.org/10.1016/S1044-0305(99)00043-4 . [all data]

Wenthold, Polak, et al., 1996
Wenthold, P.G.; Polak, M.L.; Lineberger, W.C., Photoelectron Spectroscopy of the Allyl and 2-Methylallyl Anions, J. Phys. Chem., 1996, 100, 17, 6920, https://doi.org/10.1021/jp953401n . [all data]

Bartmess and Burnham, 1984
Bartmess, J.E.; Burnham, R., Effect of central substituents on the gas phase acidities of propenes, J. Org. Chem., 1984, 49, 1382. [all data]


Notes

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