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CH2=C(Me)CH2 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

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

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

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

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.

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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