Benzoyl bromide
- Formula: C7H5BrO
- Molecular weight: 185.018
- IUPAC Standard InChIKey: AQIHMSVIAGNIDM-UHFFFAOYSA-N
- CAS Registry Number: 618-32-6
- Chemical structure:
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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 |
---|---|---|---|---|---|
ΔfH°gas | -48.5 ± 6.3 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | Heat of formation derived by Cox and Pilcher, 1970 |
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: C7H9NO + C7H5BrO = HBr + C14H13NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -172. ± 0.8 | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
By formula: C7H9N + C7H5BrO = HBr + C14H13NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -170. ± 0.8 | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
By formula: C7H5BrO + C6H7N = HBr + C13H11NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -162. ± 0.8 | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
By formula: C7H5BrO + H2O = HBr + C7H6O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -113.1 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis |
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:
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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.2 | PE | Gan, Livett, et al., 1984 | LBLHLM |
9.65 | PI | McLoughlin and Traeger, 1979 | LLK |
9.80 | PE | Gan, Livett, et al., 1984 | Vertical value; LBLHLM |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H5O+ | 9.65 | Br | PI | McLoughlin and Traeger, 1979 | LLK |
C7H5O+ | 10.0 | Br | EI | Elder, Beynon, et al., 1976 | LLK |
C7H5O+ | 10.0 | Br | EI | Majer and Patrick, 1963 | RDSH |
References
Go To: Top, Gas 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.
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]
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]
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]
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, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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