Benzoyl chloride
- Formula: C7H5ClO
- Molecular weight: 140.567
- IUPAC Standard InChIKey: PASDCCFISLVPSO-UHFFFAOYSA-N
- CAS Registry Number: 98-88-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzaldehyde, α-chloro-; Benzenecarbonyl chloride; Benzoic acid, chloride; α-Chlorobenzaldehyde; UN 1736
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Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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:
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 |
---|---|---|---|---|---|
ΔfH°liquid | -37.60 ± 0.09 | kcal/mol | Cm | Moselhy and Pritchard, 1975 | see Carson, Pritchard, et al., 1950 and Davies, Dunning, et al., 1972; ALS |
ΔfH°liquid | -38.31 | kcal/mol | Ccr | Hu and Sinke, 1969 | ALS |
ΔfH°liquid | -39.30 | kcal/mol | Cm | Carson, Pritchard, et al., 1950 | Heat of hydrolysis; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -796.50 | kcal/mol | Ccr | Hu and Sinke, 1969 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
44.69 | 298. | von Reis, 1881 | T = 290 to 477 K.; DH |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
By formula: H2O + C7H5ClO = C7H6O2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -8.136 ± 0.050 | kcal/mol | Cm | Moselhy and Pritchard, 1975 | liquid phase; solvent: Diphenyl-ether; see Carson, Pritchard, et al., 1950 and Davies, Dunning, et al., 1972 |
ΔrH° | -24.35 | kcal/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis |
By formula: C7H9NO + C7H5ClO = C14H13NO2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -40.2 ± 0.2 | kcal/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
By formula: C7H9N + C7H5ClO = C14H13NO + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -39.3 ± 0.3 | kcal/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
By formula: C6H7N + C7H5ClO = HCl + C13H11NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -35.6 ± 0.2 | kcal/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Reaction 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 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) | 9.53 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.54 | PE | Gan, Livett, et al., 1984 | LBLHLM |
9.52 | PE | Meeks, Wahlborg, et al., 1981 | LLK |
9.69 | PI | McLoughlin and Traeger, 1979 | LLK |
9.92 | EI | Elder, Beynon, et al., 1976 | LLK |
9.85 | EI | Benoit, 1973 | LLK |
9.70 ± 0.01 | EI | Foffani, Pignataro, et al., 1964 | RDSH |
9.79 | PE | Gan, Livett, et al., 1984 | Vertical value; LBLHLM |
10.0 | PE | Meeks, Wahlborg, et al., 1981 | Vertical value; LLK |
9.79 | PE | Gofman, Yarzhemsky, et al., 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H5+ | 13.81 | Cl+CO | EI | Benoit, 1973 | LLK |
C6H5O+ | 10.18 | Cl | EI | Elder, Beynon, et al., 1976 | LLK |
C7H5O+ | 9.69 | Cl | PI | McLoughlin and Traeger, 1979 | LLK |
C7H5O+ | 10.31 | Cl | EI | Benoit, 1973 | LLK |
C7H5O+ | 10.5 | Cl | EI | Majer and Patrick, 1963 | RDSH |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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.
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]
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]
Davies, Dunning, et al., 1972
Davies, J.V.; Dunning, B.K.; Pritchard, H.O.,
The enthalpy of formation of benzoyl chloride,
J. Chem. Thermodyn., 1972, 4, 731-737. [all data]
Hu and Sinke, 1969
Hu, A.T.; Sinke, G.C.,
Combustion calorimetry of some chlorinated organic compounds,
J. Chem. Thermodyn., 1969, 1, 507-513. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Kiselev, Khuzyasheva, et al., 1979
Kiselev, V.D.; Khuzyasheva, d.G.; Konovalov, A.I.,
Thermochemical study of the acylation of para-substituted anilines,
J. Gen. Chem. USSR, 1979, 49, 2273-2276. [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
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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