pNH2-benzoate 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 = 4-Aminobenzoic acid

By formula: C7H6NO2- + H+ = C7H7NO2

Quantity Value Units Method Reference Comment
Δr1437. ± 8.8kJ/molG+TSKebarle and McMahon, 1977gas phase
Quantity Value Units Method Reference Comment
Δr1407. ± 8.4kJ/molIMREKebarle and McMahon, 1977gas phase

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
3.61 ± 0.16D-EAKebarle and McMahon, 1977 

Protonation reactions

C7H6NO2- + Hydrogen cation = 4-Aminobenzoic acid

By formula: C7H6NO2- + H+ = C7H7NO2

Quantity Value Units Method Reference Comment
Δr1437. ± 8.8kJ/molG+TSKebarle and McMahon, 1977gas phase
Quantity Value Units Method Reference Comment
Δr1407. ± 8.4kJ/molIMREKebarle and McMahon, 1977gas 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.

Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B., Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria, J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032 . [all data]


Notes

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