pNO2-C6H4CH2 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

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

By formula: C7H6NO2- + H+ = C7H7NO2

Quantity Value Units Method Reference Comment
Δr1475. ± 8.8kJ/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Δr1477. ± 10.kJ/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Δr1445. ± 8.4kJ/molIMRETaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Δr1447. ± 8.4kJ/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

Protonation reactions

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

By formula: C7H6NO2- + H+ = C7H7NO2

Quantity Value Units Method Reference Comment
Δr1475. ± 8.8kJ/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Δr1477. ± 10.kJ/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Δr1445. ± 8.4kJ/molIMRETaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Δr1447. ± 8.4kJ/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.

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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