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2-Pentanone, 3-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:
L - 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
IE (evaluated)9.21 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.20 ± 0.05EIBouchoux, Flammang, et al., 1984LBLHLM
9.22EIHolmes, Fingas, et al., 1981LLK
9.209 ± 0.005PEHernandez, Masclet, et al., 1977LLK
9.69EIHatada and Hirota, 1965RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C4H8O+9.52C2H4EIHolmes and Lossing, 1980LLK
C4H9+10.78 ± 0.05CH3COEIHolmes and Lossing, 1984LBLHLM

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.

Bouchoux, Flammang, et al., 1984
Bouchoux, G.; Flammang, R.; Hoppilliard, Y.; Jaudon, P.; Maquestiau, A.; Meyrant, P., Mecanismes de formation des ions [C5H9O]+ a partir des cetones [CH3COC4H9]+, Spectroscopy Ottawa, 1984, 3, 1. [all data]

Holmes, Fingas, et al., 1981
Holmes, J.L.; Fingas, M.; Lossing, F.P., Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part I. Odd-electron cations, Can. J. Chem., 1981, 59, 80. [all data]

Hernandez, Masclet, et al., 1977
Hernandez, R.; Masclet, P.; Mouvier, G., Spectroscopie de photoelectrons d'aldehydes et de cetones aliphatiques, J. Electron Spectrosc. Relat. Phenom., 1977, 10, 333. [all data]

Hatada and Hirota, 1965
Hatada, M.; Hirota, K., The ionization and dissociation of aliphatic ketones under electron impact. II. Methyl-sec-butylketone and methyl-tert-butylketone, Z. Physik. Chem. (Frankfurt), 1965, 44, 328. [all data]

Holmes and Lossing, 1980
Holmes, J.L.; Lossing, F.P., Gas-phase heats of formation of keto and enol ions of carbonyl compounds., J. Am. Chem. Soc., 1980, 102, 1591. [all data]

Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P., Heats of formation of organic radicals from appearance energies, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]


Notes

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