Ethanone, 1-(4-chlorophenyl)-
- Formula: C8H7ClO
- Molecular weight: 154.594
- IUPAC Standard InChIKey: BUZYGTVTZYSBCU-UHFFFAOYSA-N
- CAS Registry Number: 99-91-2
- 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: Acetophenone, 4'-chloro-; p-Chloroacetophenone; 1-(4-Chlorophenyl)ethanone; 4'-Chloroacetophenone; 4-Chloroacetophenone; USAF do-1
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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:
HL - Edward P. Hunter and 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
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 204.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 197.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.585 ± 0.087 | IMRE | Mishima, Huh, et al., 1995 | ΔGea(343 K) = -13.8 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B |
0.551 ± 0.087 | IMRE | Huh, Kang, et al., 1999 | ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B |
0.5668 ± 0.0052 | ECD | Steelhammer and Wentworth, 1969 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.63 | EI | Howe and Williams, 1969 | RDSH |
9.6 ± 0.1 | EI | Chin and Harrison, 1969 | RDSH |
9.47 ± 0.05 | EI | Foffani, Pignataro, et al., 1964 | RDSH |
9.64 ± 0.15 | EI | Buchs, Rossetti, et al., 1964 | RDSH |
9.25 | PE | Gal, Geribaldi, et al., 1985 | Vertical value; LBLHLM |
9.52 | PE | Pfister-Guillouzo, Geribaldi, et al., 1982 | Vertical value; LBLHLM |
9.60 ± 0.05 | PE | McAlduff, 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H4OCl+ | 10.34 ± 0.03 | CH3 | EI | Helal and Zahran, 1978 | LLK |
C7H4OCl+ | 10.69 | CH3 | EI | Howe and Williams, 1969 | RDSH |
C7H4OCl+ | 10.4 ± 0.1 | CH3 | EI | Chin and Harrison, 1969 | RDSH |
C7H4OCl+ | 10.04 | CH3 | EI | Buchs, Rossetti, et al., 1964 | RDSH |
Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3158 |
NIST MS number | 229194 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 1204. | Ebrahimi and Hadjmohammadi, 2006 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Mishima, Huh, et al., 1995
Mishima, M.; Huh, C.; Lee, H.W.; Nakamura, H.; Fujio, M.; Tsuno, Y.,
Electron affinities of acetophenones and methyl benzoates. Varying resonance demand of aromatic radical anions,
Tetrahed. Lett., 1995, 36, 13, 2265, https://doi.org/10.1016/0040-4039(95)00267-G
. [all data]
Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S.,
Electron affinities and electron transfer reactions,
Chem. Rev., 1987, 87, 513. [all data]
Huh, Kang, et al., 1999
Huh, C.; Kang, C.H.; Lee, H.W.; Nakamura, H.; Mishima, M.; Tsuno, Y.; Yamataka, H.,
Thermodynamic stabilities and resonance demand of aromatic radical anions in the gas phase,
Bull. Chem. Soc. Japan, 1999, 72, 5, 1083-1091, https://doi.org/10.1246/bcsj.72.1083
. [all data]
Steelhammer and Wentworth, 1969
Steelhammer, J.C.; Wentworth, W.E.,
Correlation of Electron Beam and Thermal Electron Attachment Studies for Some Chloro, Bromo, Iodo Aromatic Compounds,
J. Chem. Phys., 1969, 51, 5, 1802, https://doi.org/10.1063/1.1672262
. [all data]
Howe and Williams, 1969
Howe, I.; Williams, D.H.,
Calculation and qualitative predictions of mass spectra. Mono- and paradisubstituted benzenes,
J. Am. Chem. Soc., 1969, 91, 7137. [all data]
Chin and Harrison, 1969
Chin, M.S.; Harrison, A.G.,
Substituent effects on ion abundances and energetics in substituted acetophenones,
Org. Mass Spectrom., 1969, 2, 1073. [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]
Buchs, Rossetti, et al., 1964
Buchs, A.; Rossetti, G.P.; Susz, B.P.,
Etude, en fonction de la constante σp de Hammett, du spectre de masse d'acetophenones p-substituees,
Helv. Chim. Acta, 1964, 47, 1563. [all data]
Gal, Geribaldi, et al., 1985
Gal, J.-F.; Geribaldi, S.; Pfister-Guillouzo, G.; Morris, D.G.,
Basicity of the carbonyl group. Part 12. Correlations between ionization potentials and lewis basicities in aromatic carbonyl compounds,
J. Chem. Soc. Perkin Trans. 2, 1985, 103. [all data]
Pfister-Guillouzo, Geribaldi, et al., 1982
Pfister-Guillouzo, G.; Geribaldi, S.; Gal, J.-F.,
Spectres photoelectroniques de cyclohexene-2-ones-1 diversement substituees en position 3. Correlations avec la reactivite,
Can. J. Chem., 1982, 60, 1163. [all data]
McAlduff, 1980
McAlduff, E.J.,
Photoelectron spectra of substituted acetophenones. Correlations with reactivity,
Can. J. Chem., 1980, 58, 622. [all data]
Helal and Zahran, 1978
Helal, A.I.; Zahran, N.F.,
Kinetic shift in some para-substituted acetophenones,
Org. Mass Spectrom., 1978, 13, 549. [all data]
Ebrahimi and Hadjmohammadi, 2006
Ebrahimi, P.; Hadjmohammadi, M.R.,
Simultaneous modeling of the Kovats retention indices on phenyl OV stationary phases with different polarity using MLR and ANN,
QSAR Comb. Sci., 2006, 25, 10, 836-845, https://doi.org/10.1002/qsar.200530145
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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