4-Br-bicyclo[2.2.2]octane-CO2 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

C9H12BrO2- + Hydrogen cation = C9H13BrO2

By formula: C9H12BrO2- + H+ = C9H13BrO2

Quantity Value Units Method Reference Comment
Δr1411. ± 9.2kJ/molG+TSKoppel, Mishima, et al., 1993gas phase
Δr1411. ± 9.2kJ/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1382. ± 8.4kJ/molIMREKoppel, Mishima, et al., 1993gas phase
Δr1382. ± 8.4kJ/molIMRETaft and Topsom, 1987gas 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
3.87 ± 0.16D-EATaft and Topsom, 1987value altered from reference due to change in acidity scale

Protonation reactions

C9H12BrO2- + Hydrogen cation = C9H13BrO2

By formula: C9H12BrO2- + H+ = C9H13BrO2

Quantity Value Units Method Reference Comment
Δr1411. ± 9.2kJ/molG+TSKoppel, Mishima, et al., 1993gas phase
Δr1411. ± 9.2kJ/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1382. ± 8.4kJ/molIMREKoppel, Mishima, et al., 1993gas phase
Δr1382. ± 8.4kJ/molIMRETaft and Topsom, 1987gas 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.

Koppel, Mishima, et al., 1993
Koppel, I.A.; Mishima, M.; Stock, L.M.; Taft, R.W.; Topsom, R.D., Acidities of 4-Substituted Benzoic, Bicyclo[2.2.2]Oct-1-yl and Bicyclo[2.2.2]Oct-2-enyl Carboxylic Acids, J. Phys. Org. Chem., 1993, 6, 12, 685, https://doi.org/10.1002/poc.610061205 . [all data]

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]


Notes

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