Benzoic acid, 4-bromo-

• Formula: C₇H₅BrO₂
• Molecular weight: 201.017
• IUPAC Standard InChI: InChI=1S/C7H5BrO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10) Copy

  
• IUPAC Standard InChIKey: TUXYZHVUPGXXQG-UHFFFAOYSA-N Copy
• CAS Registry Number: 586-76-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Benzoic acid, p-bromo-; p-Bromobenzoic acid; 4-Bromobenzoic acid; p-Carboxybromobenzene
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
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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

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

Constant pressure heat capacity of solid

Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of sublimation

Enthalpy of fusion

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Appearance energy determinations

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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Additional Data

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

Sabbah and Rojas Aguilar, 1996
Sabbah, R.; Rojas Aguilar, A., Thermodynamic study of the three isomers of bromo and iodobenzoic acids. Part II, Struct. Chem., 1996, 7, 383-390. [all data]

Ferrao and Pilcher, 1987
Ferrao, M.C.C.H.; Pilcher, G., Enthalpies of combustion of the three bromobenzoic acids by rotating-bomb calorimetry, J. Chem. Thermodyn., 1987, 19, 543-548. [all data]

Bjellerup, 1959
Bjellerup, L., A moving-bomb method for combustion calorimetry of organic bromine compounds, Acta Chem. Scand., 1959, 13, 1511-1541. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Zhang, Xu, et al., 1990
Zhang, F.M.; Xu, G.D.; Qu, S.S., Studies on thermochemistry of porphyrins V. The standard energies of combustion and standard enthalpies of formation of bromoporphyrin compounds, Acta Chimica Sinica, 1990, 48, 38-41. [all data]

Lamneck, 1954
Lamneck, J.H., Bromination of the two propylbenzenes and three butylbenzenes, J. Am. Chem. Soc., 1954, 76, 1106. [all data]

Tan and Raphael, 1994
Tan, Z.-C.; Raphael, S., Thermodynamic study of the three isomers of bromobenzoic acid, Sci. China, Ser. B: Chem., Life Sci., Earth Sci., 1994, 37, 6, 641. [all data]

Ribeiro da Silva, Fonseca, et al., 2005
Ribeiro da Silva, Manuel A.V.; Fonseca, José M.S.; Carvalho, Rui P.B.M.; Monte, Manuel J.S., Thermodynamic study of the sublimation of six halobenzoic acids, The Journal of Chemical Thermodynamics, 2005, 37, 3, 271-279, https://doi.org/10.1016/j.jct.2004.09.005 . [all data]

Benoit, 1973
Benoit, F., Substituent effects in mass spectrometry. III. Substituent effects in the dissociation of the molecular ions of para and meta subtituted benzoic acids, Org. Mass Spectrom., 1973, 7, 295. [all data]

Notes

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

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,solid	Constant pressure heat capacity of solid
  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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