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CH2=C(Ph)O 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

C8H7O- + Hydrogen cation = Acetophenone

By formula: C8H7O- + H+ = C8H8O

Quantity Value Units Method Reference Comment
Deltar361.3 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar362.0 ± 2.7kcal/molD-EAZimmerman, Reed, et al., 1977gas phase
Deltar362.3 ± 2.6kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar354.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar355.5 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas 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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
2.064 ± 0.078PDZimmerman, Reed, et al., 1977 

Protonation reactions

C8H7O- + Hydrogen cation = Acetophenone

By formula: C8H7O- + H+ = C8H8O

Quantity Value Units Method Reference Comment
Deltar361.3 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar362.0 ± 2.7kcal/molD-EAZimmerman, Reed, et al., 1977gas phase
Deltar362.3 ± 2.6kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar354.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar355.5 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas 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.

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [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]

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]


Notes

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