Benzoic acid, 2-chloro-

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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

C7H4ClO2- + Hydrogen cation = Benzoic acid, 2-chloro-

By formula: C7H4ClO2- + H+ = C7H5ClO2

Quantity Value Units Method Reference Comment
Δr335.1 ± 2.1kcal/molG+TSKebarle and McMahon, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr328.2 ± 2.0kcal/molIMREKebarle and McMahon, 1977gas phase; B

Benzoyl chloride, 2-chloro- + Water = Benzoic acid, 2-chloro- + Hydrogen chloride

By formula: C7H4Cl2O + H2O = C7H5ClO2 + HCl

Quantity Value Units Method Reference Comment
Δr-9.50 ± 0.06kcal/molCmMoselhy and Pritchard, 1975liquid phase; solvent: Diphenyl-ether; Heat of hydrolysis; ALS

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-1839
NIST MS number 228871

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UV/Visible spectrum

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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Bartecki, Szoke, et al., 1961
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 8936
Instrument Beckman DU
Melting point 142
Boiling point sub

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.

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]

Moselhy and Pritchard, 1975
Moselhy, G.M.; Pritchard, H.O., The thermochemistry of the chloro-benzoyl chlorides, J. Chem. Thermodyn., 1975, 7, 977-982. [all data]

Bartecki, Szoke, et al., 1961
Bartecki, A.; Szoke, J.; Varsanyi, G.; Vizesy, M., Absorption spectra in the ultraviolet and visible region. Volume 2, Academic Press Inc., New York, 1961, 172. [all data]


Notes

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