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pNO2-C6H4CH2 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

C7H6NO2- + Hydrogen cation = Benzene, 1-methyl-4-nitro-

By formula: C7H6NO2- + H+ = C7H7NO2

Quantity Value Units Method Reference Comment
Deltar352.5 ± 2.1kcal/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Deltar353.1 ± 2.4kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar345.3 ± 2.0kcal/molIMRETaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Deltar345.9 ± 2.0kcal/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.

Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D., The Nature and Analysis of Substituent Effects, Prog. Phys. Org. Chem., 1987, 16, 1. [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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