cyclopentanone enolate 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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.5980 ± 0.0070LPDBrinkman, Berger, et al., 1993 
1.62 ± 0.20D-EABrickhouse and Squires, 1988 
1.617 ± 0.056PDZimmerman, Jackson, et al., 1978 

Protonation reactions

C5H7O- + Hydrogen cation = Cyclopentanone

By formula: C5H7O- + H+ = C5H8O

Quantity Value Units Method Reference Comment
Δr1540. ± 18.kJ/molG+TSBrickhouse and Squires, 1988gas phase
Quantity Value Units Method Reference Comment
Δr1507. ± 17.kJ/molIMRBBrickhouse and Squires, 1988gas 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.

Brinkman, Berger, et al., 1993
Brinkman, E.A.; Berger, S.; Marks, J.; Brauman, J.I., Molecular Rotation and the Observation of Dipole-Bound States of Anions, J. Chem. Phys., 1993, 99, 10, 7586, https://doi.org/10.1063/1.465688 . [all data]

Brickhouse and Squires, 1988
Brickhouse, M.D.; Squires, R.R., Gas Phase Bronsted vs. Lewis Acid-Base Reactions of 6,6-Dimethylfulvene. A Sensitive Probe of the Electronic Structures of Organic Anions, J. Am. Chem. Soc., 1988, 110, 9, 2706, https://doi.org/10.1021/ja00217a002 . [all data]

Zimmerman, Jackson, et al., 1978
Zimmerman, A.H.; Jackson, R.L.; Janousek, B.K.; Brauman, J.J., Electron photodetachment from cyclic enolate anions in the gas phase: Electron affinities of cyclic enolate radicals, J. Am. Chem. Soc., 1978, 100, 4674. [all data]


Notes

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