Ethanone, 1-(3-methylphenyl)-

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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C9H10O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)868.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity836.4kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.24 ± 0.02EIRabbih, Helal, et al., 1981LLK
8.85PEKobayashi and Nagakura, 1974LLK
9.15 ± 0.05EIPignataro, Foffani, et al., 1966RDSH
9.14PEKobayashi and Nagakura, 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C8H7O+10.1 ± 0.1CH3EIChin and Harrison, 1969RDSH

References

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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]

Rabbih, Helal, et al., 1981
Rabbih, M.A.; Helal, A.I.; Fahmey, M.A., Mass spectrometric studies of methylacetophenone isomers by electron impact, Indian J. Pure Appl. Phys., 1981, 19, 335. [all data]

Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S., Photoelectron spectra of substituted benzenes, Bull. Chem. Soc. Jpn., 1974, 47, 2563. [all data]

Pignataro, Foffani, et al., 1966
Pignataro, S.; Foffani, A.; Innorta, G.; Distefano, G., Molecular structural effects on the ionization potentials for metasubstituted aromatic compounds and for compounds of the type X-CH2-R, Z. Physik. Chem. (Frankfurt), 1966, 49, 291. [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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