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

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), 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

De-protonation reactions

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
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

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-8820
NIST MS number 236736

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References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References