Phenol, 4-nitro-

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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-27.41 ± 0.29kcal/molCcrSabbah and Gouali, 1994Author was aware that data differs from previously reported values
Δfgas-28.13 ± 0.48kcal/molCcbFinch, Gardner, et al., 1983 

Condensed phase 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid-49.50 ± 0.26kcal/molCcrSabbah and Gouali, 1994Author was aware that data differs from previously reported values; ALS
Δfsolid-50.76 ± 0.24kcal/molCcbFinch, Gardner, et al., 1983ALS
Δfsolid-54.19kcal/molCcbRinkenbach, 1930Author hf298_condensed[kcal/mol]=-56.50; ALS
Δfsolid-50.0kcal/molCcbSwarts, 1914See 14SWA2; ALS
Quantity Value Units Method Reference Comment
Δcsolid-685.59 ± 0.24kcal/molCcrSabbah and Gouali, 1994Author was aware that data differs from previously reported values; ALS
Δcsolid-684.32 ± 0.13kcal/molCcbFinch, Gardner, et al., 1983ALS
Δcsolid-680.91kcal/molCcbRinkenbach, 1930Author hf298_condensed[kcal/mol]=-56.50; ALS
Δcsolid-687.0kcal/molCcbGarner and Abernethy, 1921ALS
Δcsolid-688.23kcal/molCcbSwarts, 1914See 14SWA2; ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
34.4283.Campbell and Campbell, 1941T = 273 to 293 K. Value given as Cp = 0.248 cal/g over temperature range 0 to 20°C.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase 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 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

Bromine anion + Phenol, 4-nitro- = (Bromine anion • Phenol, 4-nitro-)

By formula: Br- + C6H5NO3 = (Br- • C6H5NO3)

Quantity Value Units Method Reference Comment
Δr28.4 ± 1.8kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Δr23.cal/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
Δr18.7 ± 1.0kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
18.7423.PHPMSPaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M

C6H4NO3- + Hydrogen cation = Phenol, 4-nitro-

By formula: C6H4NO3- + H+ = C6H5NO3

Quantity Value Units Method Reference Comment
Δr327.7 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr320.9 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

Sabbah and Gouali, 1994
Sabbah, R.; Gouali, M., Energetics of intra- and inter-molecular bonds in the three nitrophenols, Aust. J. Chem., 1994, 47, 1651-1660. [all data]

Finch, Gardner, et al., 1983
Finch, A.; Gardner, P.J.; Wu, D., Studies on nitrophenols. Part IV. The standard enthalpies of combustion and formation of 1,2-dihydroxybenzene, 1,2- and 1,4-nitrophenol, Thermochim. Acta, 1983, 66, 333-342. [all data]

Rinkenbach, 1930
Rinkenbach, W.H., The heats of combustion and formation of aromatic nitro compounds, J. Am. Chem. Soc., 1930, 52, 115-120. [all data]

Swarts, 1914
Swarts, F., Sur la chaleur de combustion de quelques derives nitres aromatlques, Recl. Trav. Chim. Pays-Bas, 1914, 33, 281-298. [all data]

Garner and Abernethy, 1921
Garner, W.E.; Abernethy, C.L., Heats of combustion and formation of nitro-compounds. Part I. - Benzene, toluene, phenol and methylaniline series, Proc. Roy. Soc. London A, 1921, 213-235. [all data]

Campbell and Campbell, 1941
Campbell, A.N.; Campbell, A.J.R., The system naphthalene-p-nitrophenol: an experimental investigation of all the variables in an equation of the freezing point curve, Can. J. Res., 1941, B19, 73-79. [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]


Notes

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