MeCH=C(Et)O 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
1.43 ± 0.13D-EACumming and Kebarle, 1978 
1.683 ± 0.052PDZimmerman, Reed, et al., 1977 

Protonation reactions

C5H9O- + Hydrogen cation = 3-Pentanone

By formula: C5H9O- + H+ = C5H10O

Quantity Value Units Method Reference Comment
Deltar1542. ± 9.2kJ/molG+TSCumming and Kebarle, 1978gas phase
Deltar1518. ± 9.6kJ/molD-EAZimmerman, Reed, et al., 1977gas phase
Quantity Value Units Method Reference Comment
Deltar1512. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas 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.

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I., Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals, J. Am. Chem. Soc., 1977, 99, 7203. [all data]


Notes

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