Benzyl chloride
- Formula: C7H7Cl
- Molecular weight: 126.583
- IUPAC Standard InChIKey: KCXMKQUNVWSEMD-UHFFFAOYSA-N
- CAS Registry Number: 100-44-7
- 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: Benzene, (chloromethyl)-; Toluene, α-chloro-; α-Chlorotoluene; ω-Chlorotoluene; (Chloromethyl)benzene; Chlorophenylmethane; C6H5CH2Cl; α-Chlortoluol; Benzile (cloruro di); Benzylchlorid; Benzyle (chlorure de); Chlorure de benzyle; NCI-C06360; Rcra waste number P028; UN 1738; Phenylmethyl chloride; NSC 8043; Tolyl chloride
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Reaction thermochemistry data
Go To: Top, 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 by: John E. Bartmess
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
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1659. ± 6.7 | kJ/mol | Bran | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1627. ± 7.1 | kJ/mol | H-TS | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes |
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1556. ± 8.8 | kJ/mol | G+TS | Poutsma, Nash, et al., 1997 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1527. ± 8.4 | kJ/mol | IMRB | Poutsma, Nash, et al., 1997 | gas phase |
Gas phase ion energetics data
Go To: Top, 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 compiled as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
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 |
---|---|---|---|
9.10 ± 0.02 | PI | Traeger and Kompe, 1990 | LL |
9.14 ± 0.01 | PI | Ponomarev, Takhimova, et al., 1974 | LLK |
9.14 ± 0.01 | PI | Akopyan, Vilesov, et al., 1972 | LLK |
9.10 ± 0.05 | PI | Akopyan and Vilesov, 1966 | RDSH |
9.30 | PE | Zverev and Ermolaeva, 1981 | Vertical value; LLK |
9.29 | PE | Kimura, Katsumata, et al., 1981 | Vertical value; LLK |
9.30 | PE | Schmidt and Schweig, 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H7+ | 9.85 ± 0.02 | Cl | PI | Traeger and Kompe, 1990 | LL |
C7H7+ | 10.16 ± 0.05 | Cl | PI | Akopyan, Vilesov, et al., 1972 | LLK |
C7H7+ | 10.40 ± 0.05 | Cl | PI | Akopyan and Vilesov, 1966 | RDSH |
De-protonation reactions
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1659. ± 6.7 | kJ/mol | Bran | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1627. ± 7.1 | kJ/mol | H-TS | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes; B |
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1556. ± 8.8 | kJ/mol | G+TS | Poutsma, Nash, et al., 1997 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1527. ± 8.4 | kJ/mol | IMRB | Poutsma, Nash, et al., 1997 | gas phase; B |
References
Go To: Top, 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.
Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R.,
Determination of the gas-phase acidities of halogen-substituted aromatic compounds using the silane-cleavage method,
J. Mass Spectrom., 1995, 30, 1, 17, https://doi.org/10.1002/jms.1190300105
. [all data]
Poutsma, Nash, et al., 1997
Poutsma, J.C.; Nash, J.J.; Paulino, J.A.; Squires, R.R.,
Absolute Heats of Formation of Phenylcarbene and Vinylcarbene,
J. Am. Chem. Soc., 1997, 119, 20, 4686, https://doi.org/10.1021/ja963918s
. [all data]
Traeger and Kompe, 1990
Traeger, J.C.; Kompe, B.M.,
Threshold C7H7 formation from the benzyl halides by photoionization mass spectrometry,
Int. J. Mass Spectrom. Ion Processes, 1990, 101, 111. [all data]
Ponomarev, Takhimova, et al., 1974
Ponomarev, D.A.; Takhimova, V.V.; Akopyan, M.E.; Sergeyev, Y.L.,
Effect of alkyl groups on the stability of cations in the absence of solvation effects,
Zh. Org. Khim., 1974, 10, 403. [all data]
Akopyan, Vilesov, et al., 1972
Akopyan, M.E.; Vilesov, F.I.; Lopatin, S.N.,
Photoionization of benzyl chloride,
Khim. Vys. Energ., 1972, 6, 110. [all data]
Akopyan and Vilesov, 1966
Akopyan, M.E.; Vilesov, F.I.,
A mass-spectrometric study of the photo-ionisation of benzene derivatives at wavelengths up to 885 A,
Zh. Fiz. Khim., 1966, 40, 125, In original 63. [all data]
Zverev and Ermolaeva, 1981
Zverev, V.V.; Ermolaeva, L.V.,
Ionization potentials and intramolecular charge transfer. II. The photoelectron spectrum and electronic structure of trichloromethylbenzene,
Zh. Strukt. Khim., 1981, 22, 22. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Schmidt and Schweig, 1973
Schmidt, H.; Schweig, A.,
C-Hal hyperkonjugation,
Tetrahedron Lett., 1973, 981. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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