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3-Penten-2-one, 4-methyl-

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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
L - 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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C6H10O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.10 ± 0.02eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)878.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity846.9kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.11PEMasclet and Mouvier, 1978LLK
9.08 ± 0.03PIWatanabe, Nakayama, et al., 1962RDSH
8.89 ± 0.05EIOmura, Higasi, et al., 1956RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H7O+9.48CH3EIAlai, Attardo, et al., 1985LBLHLM

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]

Masclet and Mouvier, 1978
Masclet, P.; Mouvier, G., Etude par spectrometrie photoelectronique d'aldehydes et de cetones ethyleniques conjugues, J. Electron Spectrosc. Relat. Phenom., 1978, 14, 77. [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]

Omura, Higasi, et al., 1956
Omura, I.; Higasi, K.; Baba, H., Ionization potentials of some organic molecules. II. Aliphatic compounds, Bull. Chem. Soc. Japan, 1956, 29, 504. [all data]

Alai, Attardo, et al., 1985
Alai, M.; Attardo, G.G.; Rye, R.T.B., Formation threshold structures of some [C5H7O]+ ions: Use of general schemes for estimation of heats of formation of gas phase ions, Can. J. Chem., 1985, 63, 833. [all data]


Notes

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