4-Acetylanisole
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChIKey: NTPLXRHDUXRPNE-UHFFFAOYSA-N
- CAS Registry Number: 100-06-1
- 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: Acetophenone, 4'-methoxy-; Ethanone, 1-(4-methoxyphenyl)-; p-Acetylanisole; p-Methoxyacetophenone; p-Methoxyphenyl methyl ketone; Linarodin; Novatone; Vananote; 4-Methoxyphenyl methyl ketone; 4'-Methoxyacetophenone; 4-Methoxyacetophenone; para-Methoxyacetophenone; Acetanisole; Methyl p-methoxyphenyl ketone; 4-Methoxyacetofenon; Acetophenone, p-methoxy-; p-Metoxyacetophenone; Methyl 4-methoxyphenyl ketone; NSC 209523; 4-Methoxyacetophenon; Anise ketone; 1-(4-Methoxyphenyl)ethanone; para-Methoxyacetophenone (acetanisole)
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Gas phase ion energetics data
Go To: Top, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 895.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 863.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.2 ± 0.1 | PE | Egdell, Green, et al., 1975 | LLK |
8.62 ± 0.05 | EI | Foffani, Pignataro, et al., 1964 | RDSH |
8.52 | PE | Distefano, Granozzi, et al., 1987 | Vertical value; LBLHLM |
8.65 | PE | Gal, Geribaldi, et al., 1985 | Vertical value; LBLHLM |
8.65 | PE | Koenig, Wielesek, et al., 1977 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C8H7O2+ | 10.69 ± 0.04 | CH3 | EI | Helal and Zahran, 1978 | LLK |
C8H7O2+ | 10.2 ± 0.1 | CH3 | EI | Chin and Harrison, 1969 | RDSH |
References
Go To: Top, 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.
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]
Egdell, Green, et al., 1975
Egdell, R.; Green, J.C.; Rao, C.N.R.,
Photoelectron spectra of substituted benzenes,
Chem. Phys. Lett., 1975, 33, 600. [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]
Distefano, Granozzi, et al., 1987
Distefano, G.; Granozzi, G.; Olivato, P.R.; Guerrero, S.A.,
Hyperconjugative interactions in halogen-substituted carbonyls: Ultraviolet photoelectron spectroscopy of w-halogenoacetophenones,
J. Chem. Soc. Perkin Trans. 2, 1987, 1459. [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]
Koenig, Wielesek, et al., 1977
Koenig, T.; Wielesek, R.; Miller, L.L.; So, Y.-H.,
Correlation of electrochemical reactivity and photoelectron spectra of aromatic ketones,
J. Am. Chem. Soc., 1977, 99, 7061. [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]
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]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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