PhCH2CO2 anion


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C8H7O2- + Hydrogen cation = Benzeneacetic acid

By formula: C8H7O2- + H+ = C8H8O2

Quantity Value Units Method Reference Comment
Δr1429. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Δr1427. ± 8.8kJ/molG+TSJinfeng, Topsom, et al., 1988gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1400. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Δr1398. ± 8.4kJ/molIMREJinfeng, Topsom, et al., 1988gas phase; value altered from reference due to change in acidity scale

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
3.69 ± 0.16D-EACaldwell, Renneboog, et al., 1989 

Protonation reactions

C8H7O2- + Hydrogen cation = Benzeneacetic acid

By formula: C8H7O2- + H+ = C8H8O2

Quantity Value Units Method Reference Comment
Δr1429. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Δr1427. ± 8.8kJ/molG+TSJinfeng, Topsom, et al., 1988gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1400. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Δr1398. ± 8.4kJ/molIMREJinfeng, Topsom, et al., 1988gas phase; value altered from reference due to change in acidity scale

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.

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Jinfeng, Topsom, et al., 1988
Jinfeng, C.; Topsom, R.D.; Headley, A.D.; Koppel, I.; Mishima, M.; Taft, R.W.; Veji, S., Acidities of Substituted Acetic Acids, J. Mol. Struct., 1988, 168, 141, https://doi.org/10.1016/0166-1280(88)80349-X . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References