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Benzonitrile, 4-hydroxy-


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

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

Chlorine anion + Benzonitrile, 4-hydroxy- = (Chlorine anion bullet Benzonitrile, 4-hydroxy-)

By formula: Cl- + C7H5NO = (Cl- bullet C7H5NO)

Quantity Value Units Method Reference Comment
Deltar147. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M,M
Deltar148.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Deltar120.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Deltar110.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
Deltar114. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
103.423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
110.300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
108.300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Bromine anion + Benzonitrile, 4-hydroxy- = (Bromine anion bullet Benzonitrile, 4-hydroxy-)

By formula: Br- + C7H5NO = (Br- bullet C7H5NO)

Quantity Value Units Method Reference Comment
Deltar116. ± 7.5kJ/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Deltar96.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
Deltar75.7 ± 4.2kJ/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
75.7423.PHPMSPaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M

Iodide + Benzonitrile, 4-hydroxy- = (Iodide bullet Benzonitrile, 4-hydroxy-)

By formula: I- + C7H5NO = (I- bullet C7H5NO)

Quantity Value Units Method Reference Comment
Deltar99.6 ± 7.5kJ/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Deltar88.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar62.3 ± 4.2kJ/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
62.3423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M

C7H4NO- + Hydrogen cation = Benzonitrile, 4-hydroxy-

By formula: C7H4NO- + H+ = C7H5NO

Quantity Value Units Method Reference Comment
Deltar1390. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Deltar1392. ± 11.kJ/molG+TSKebarle and McMahon, 1977gas phase; B
Quantity Value Units Method Reference Comment
Deltar1361. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Deltar1363. ± 8.4kJ/molIMREKebarle and McMahon, 1977gas phase; B

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cummings, French, et al., 1977
Cummings, J.B.; French, M.A.; Kebarle, P., Effect of charge delocalization on hydrogen bonding to negative ions and solvation of negative ions. Substituted phenols and phenoxide ions, J. Am. Chem. Soc., 1977, 99, 6999. [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-, Can. J. Chem., 1982, 60, 1907. [all data]

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]

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]


Notes

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