oOH-phenoxide 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

C6H5O2- + Hydrogen cation = 1,2-Benzenediol

By formula: C6H5O2- + H+ = C6H6O2

Quantity Value Units Method Reference Comment
Δr1420. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Δr1422. ± 11.kJ/molG+TSKebarle and McMahon, 1977gas phase
Quantity Value Units Method Reference Comment
Δr1392. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Δr1393. ± 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
2.315 ± 0.010LPESWang, Fu, et al., 2010 
2.45 ± 0.11D-EAFujio, McIver, et al., 1981value altered from reference due to change in acidity scale

Protonation reactions

C6H5O2- + Hydrogen cation = 1,2-Benzenediol

By formula: C6H5O2- + H+ = C6H6O2

Quantity Value Units Method Reference Comment
Δr1420. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Δr1422. ± 11.kJ/molG+TSKebarle and McMahon, 1977gas phase
Quantity Value Units Method Reference Comment
Δr1392. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Δr1393. ± 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.

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

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]

Wang, Fu, et al., 2010
Wang, X.B.; Fu, Q.A.; Yang, J.L., Electron Affinities and Electronic Structures of o-, m-, and p-Hydroxyphenoxyl Radicals: A Combined Low-Temperature Photoelectron Spectroscopic and Ab Initio Calculation Study, J. Phys. Chem. A, 2010, 114, 34, 9083-9089, https://doi.org/10.1021/jp103752t . [all data]


Notes

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