Acetyl chloride
- Formula: C2H3ClO
- Molecular weight: 78.498
- IUPAC Standard InChIKey: WETWJCDKMRHUPV-UHFFFAOYSA-N
- CAS Registry Number: 75-36-5
- 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: Ethanoyl chloride; Acetic chloride; CH3COCl; Acetic acid chloride; Rcra waste number U006; UN 1717; Acetic acid monochloride; UN1717 (DOT)
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: 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: C2H3ClO + H2O = C2H4O2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -22.58 | kcal/mol | Cm | Devore and O'Neal, 1969 | liquid phase; Heat of hydrolysis |
ΔrH° | -22.06 | kcal/mol | Cm | Pritchard and Skinner, 1950 | liquid phase; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949 |
ΔrH° | -22.09 | kcal/mol | Cm | Carson and Skinner, 1949 | liquid phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, 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) | 10.82 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.78 | PI | Traeger, McLouglin, et al., 1982 | LBLHLM |
10.85 ± 0.05 | PE | Chadwick and Katrib, 1974 | LLK |
11.05 | CI | Cermak, 1968 | RDSH |
11.08 ± 0.06 | EI | Foffani, Pignataro, et al., 1964 | RDSH |
11.02 ± 0.05 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
11.03 | PE | Kimura, Katsumata, et al., 1975 | Vertical value; LLK |
11.03 | PE | Katsumata and Kimura, 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H3O+ | 10.78 | Cl | PI | Traeger, McLouglin, et al., 1982 | LBLHLM |
C2H3O+ | 11.25 | Cl | EI | Haney and Franklin, 1969 | RDSH |
Gas Chromatography
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 542. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 542. | Zenkevich, 2001 | Program: not specified |
Capillary | Polydimethyl siloxanes | 542. | Zenkevich and Chupalov, 1996 | Program: not specified |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Devore and O'Neal, 1969
Devore, J.A.; O'Neal, H.E.,
Heats of formation of the acetyl halides and of the acetyl radical,
J. Phys. Chem., 1969, 73, 2644-2648. [all data]
Pritchard and Skinner, 1950
Pritchard, H.O.; Skinner, H.A.,
The heats of hydrolysis of the chloro-substituted acetyl chlorides,
J. Chem. Soc., 1950, 272-276. [all data]
Carson and Skinner, 1949
Carson, A.S.; Skinner, H.A.,
201. Carbon-halogen bond energies in the acetyl halides,
J. Chem. Soc., 1949, 936-939. [all data]
Traeger, McLouglin, et al., 1982
Traeger, J.C.; McLouglin, R.G.; Nicholson, A.J.C.,
Heat of formation for acetyl cation in the gas phase,
J. Am. Chem. Soc., 1982, 104, 5318. [all data]
Chadwick and Katrib, 1974
Chadwick, D.; Katrib, A.,
Photoelectron spectra of acetaldehyde and acetyl halides,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 39. [all data]
Cermak, 1968
Cermak, V.,
Penning ionization electron spectroscopy. I. Determination of ionization potentials of polyatomic molecules,
Collection Czech. Chem. Commun., 1968, 33, 2739. [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]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Kimura, Katsumata, et al., 1975
Kimura, K.; Katsumata, S.; Yamazaki, T.; Wakabayashi, H.,
UV photoelectron spectra and sum rule consideration; out-of-plane orbitals of unsaturated compounds with planar-skeleton structure,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 41. [all data]
Katsumata and Kimura, 1975
Katsumata, S.; Kimura, K.,
Photoelectron spectra and sum rule consideration. Effect of chlorine substitution on ionization energies for chloroethanes, chloroacetaldehydes and chloroacetyl chlorides,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 309. [all data]
Haney and Franklin, 1969
Haney, M.A.; Franklin, J.L.,
Excess energies in mass spectra of some oxygen-containing organic compounds,
J. Chem. Soc. Faraday Trans., 1969, 65, 1794. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Zenkevich, 2001
Zenkevich, I.G.,
Encyclopedia of Chromatography. Derivatization of Amines, Amino Acids, Amides and Imides for GC Analysis, Marcel Dekker, Inc, New York - Basel, 2001, 224. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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