Benzoyl chloride

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

Quantity Value Units Method Reference Comment
Tboil471. ± 2.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus272.KN/ABuckingham and Donaghy, 1982BS
Tfus272.52KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.35 K; TRC
Tfus272.75KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap54.8 ± 4.2kJ/molECarson, Pritchard, et al., 1950Heat of formation derived by Cox and Pilcher, 1970; ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
49.6320.AStephenson and Malanowski, 1987Based on data from 305. to 470. K. See also Stull, 1947 and Dykyj, Svoboda, et al., 1999.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
305.3 to 470.44.612961978.427-41.011Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)9.53eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.54PEGan, Livett, et al., 1984LBLHLM
9.52PEMeeks, Wahlborg, et al., 1981LLK
9.69PIMcLoughlin and Traeger, 1979LLK
9.92EIElder, Beynon, et al., 1976LLK
9.85EIBenoit, 1973LLK
9.70 ± 0.01EIFoffani, Pignataro, et al., 1964RDSH
9.79PEGan, Livett, et al., 1984Vertical value; LBLHLM
10.0PEMeeks, Wahlborg, et al., 1981Vertical value; LLK
9.79PEGofman, Yarzhemsky, et al., 1980Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5+13.81Cl+COEIBenoit, 1973LLK
C6H5O+10.18ClEIElder, Beynon, et al., 1976LLK
C7H5O+9.69ClPIMcLoughlin and Traeger, 1979LLK
C7H5O+10.31ClEIBenoit, 1973LLK
C7H5O+10.5ClEIMajer and Patrick, 1963RDSH

References

Go To: Top, Phase change data, Gas phase ion energetics data, Notes

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

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the benzoyl halides, J. Chem. Soc., 1950, 656-659. [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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Gan, Livett, et al., 1984
Gan, T.H.; Livett, M.K.; Peel, J.B., Comparative He I and He II photoelectron spectroscopic studies of the benzoyl halides, J. Chem. Soc. Faraday Trans. 2, 1984, 80, 1281. [all data]

Meeks, Wahlborg, et al., 1981
Meeks, J.; Wahlborg, A.; McGlynn, S.P., Photoelectron spectroscopy of carbonyls: Benzoic acid and its derivatives, J. Electron Spectrosc. Relat. Phenom., 1981, 22, 43. [all data]

McLoughlin and Traeger, 1979
McLoughlin, R.G.; Traeger, J.C., A photoionization study of some benzoyl compounds - thermochemistry of [C7H5O]+ formation, Org. Mass Spectrom., 1979, 14, 434. [all data]

Elder, Beynon, et al., 1976
Elder, J.F.; Beynon, J.H.; Cooks, R.G., The benzoyl ion. Thermochemistry and kinetic energy release, Org. Mass Spectrom., 1976, 11, 415. [all data]

Benoit, 1973
Benoit, F., The benzoyl cation: The participation of isolated electronic excited states in the dissociation of molecular ions of the form [C6H5COX]+, Org. Mass Spectrom., 1973, 7, 1407. [all data]

Foffani, Pignataro, et al., 1964
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Ionization potentials and substituent effects for aromatic carbonyl compounds, Z. Physik. Chem. (Frankfurt), 1964, 42, 221. [all data]

Gofman, Yarzhemsky, et al., 1980
Gofman, M.M.; Yarzhemsky, V.G.; Nefedov, V.I., Relative intensities in the He(I) and He(II) photoelectron spectra of benzoyl chloride, J. Electron Spectrosc. Relat. Phenom., 1980, 21, 171. [all data]

Majer and Patrick, 1963
Majer, J.R.; Patrick, C.R., Appearance potentials of the benzoyl radical-ion, J. Chem. Soc. Faraday Trans., 1963, 59, 1274. [all data]


Notes

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