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4-Acetylanisole

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Gas phase ion energetics data

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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)895.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity863.7kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.2 ± 0.1PEEgdell, Green, et al., 1975LLK
8.62 ± 0.05EIFoffani, Pignataro, et al., 1964RDSH
8.52PEDistefano, Granozzi, et al., 1987Vertical value; LBLHLM
8.65PEGal, Geribaldi, et al., 1985Vertical value; LBLHLM
8.65PEKoenig, Wielesek, et al., 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C8H7O2+10.69 ± 0.04CH3EIHelal and Zahran, 1978LLK
C8H7O2+10.2 ± 0.1CH3EIChin and Harrison, 1969RDSH

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

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