Benzene, 1-chloro-4-methoxy-
- Formula: C7H7ClO
- Molecular weight: 142.583
- IUPAC Standard InChIKey: YRGAYAGBVIXNAQ-UHFFFAOYSA-N
- CAS Registry Number: 623-12-1
- 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: Anisole, p-chloro-; p-Chloroanisole; p-Chloromethoxybenzene; p-Chlorophenyl methyl ether; Anisyl chloride; 1-Chloro-4-methoxybenzene; 4-Chloroanisole; 4-Chlorophenol methyl ether; para-Chloroanisole; 1-Methoxy-4-chlorobenzene; NSC 4129; p-Methoxychlorobenzene; p-chloroanisol
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Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 473.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 54.8 ± 0.8 | kJ/mol | C | Ribeiro da Silva and Ferreira, 2008 | AC |
Gas phase ion energetics data
Go To: Top, Phase change 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:
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 |
---|---|---|---|
8.25 ± 0.03 | PI | Ponomarev, Arapov, et al., 1986 | LBLHLM |
7.79 | EI | Russell, Freiser, et al., 1983 | LBLHLM |
8.18 | EI | Cooks, Bertrand, et al., 1973 | LLK |
8.5 ± 0.1 | EI | Brown, 1970 | RDSH |
8.25 ± 0.15 | CTS | Voigt and Reid, 1964 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H4ClO+ | 11.99 ± 0.05 | CH3 | PI | Ponomarev, Arapov, et al., 1986 | LBLHLM |
C6H4ClO+ | 11.8 ± 0.1 | CH3 | EI | Brown, 1970 | RDSH |
C6H5Cl+ | 11.42 | HCHO | EI | Cooks, Bertrand, et al., 1973 | LLK |
C6H5Cl+ | 11.6 ± 0.1 | CH2O | EI | Brown, 1970 | RDSH |
C6H7+ | 10.02 | ? | EI | Russell, Freiser, et al., 1983 | LBLHLM |
C7H7O+ | 10.42 | Cl | EI | Russell, Freiser, et al., 1983 | LBLHLM |
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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Ribeiro da Silva and Ferreira, 2008
Ribeiro da Silva, Manuel A.V.; Ferreira, Ana I.M.C. Lobo,
Standard molar enthalpies of formation of the three isomers of chloroanisole,
The Journal of Chemical Thermodynamics, 2008, 40, 3, 362-368, https://doi.org/10.1016/j.jct.2007.10.001
. [all data]
Ponomarev, Arapov, et al., 1986
Ponomarev, D.A.; Arapov, O.V.; Sergeev, Y.L.; Chistyakov, A.B.,
[Title unavailable],
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1986, 29, 107. [all data]
Russell, Freiser, et al., 1983
Russell, D.H.; Freiser, B.S.; McBay, E.H.; Canada, D.C.,
The structure of decomposing [C7H7O]+ ions: Benzyl versus tropylium ion structures,
Org. Mass Spectrom., 1983, 18, 474. [all data]
Cooks, Bertrand, et al., 1973
Cooks, R.G.; Bertrand, M.; Beynon, J.H.; Rennekamp, M.E.; Setser, D.W.,
Energy partitioning data as an ion structure probe. Substituted anisoles,
J. Am. Chem. Soc., 1973, 95, 1732. [all data]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry. VIII. Competing [M-CH3] and [M-CH2O] reactions in substituted anisoles. Approximate activation energies from ionization appearance potentials,
Org. Mass Spectrom., 1970, 4, 519. [all data]
Voigt and Reid, 1964
Voigt, E.M.; Reid, C.,
Ionization potentials of substituted benzenes and their charge-transfer spectra with tetracyanoethylene,
J. Am. Chem. Soc., 1964, 86, 3930. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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