4-(Trifluoromethyl)-phenol


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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

Bromine anion + 4-(Trifluoromethyl)-phenol = (Bromine anion • 4-(Trifluoromethyl)-phenol)

By formula: Br- + CF3C6H4OH = (Br- • CF3C6H4OH)

Quantity Value Units Method Reference Comment
Δr111. ± 7.5kJ/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Δr96.J/mol*KN/APaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr70.7 ± 4.2kJ/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
70.7423.PHPMSPaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M

C7H4F3O- + Hydrogen cation = 4-(Trifluoromethyl)-phenol

By formula: C7H4F3O- + H+ = CF3C6H4OH

Quantity Value Units Method Reference Comment
Δr1410. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1381. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

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.

Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P., Stabilities in the Gas Phase of the Hydrogen Bonded Complexes, YC6H4OH-X-, of Substituted Phenols, YC6H4OH, with the Halide Anions X-(Cl-, Br-), Can. J. Chem., 1990, 68, 11, 2070, https://doi.org/10.1139/v90-316 . [all data]

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]


Notes

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