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2-Nonanone

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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 compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
9.16EIHolmes, Fingas, et al., 1981LLK
9.32 ± 0.02PECocksey, Eland, et al., 1971LLK
9.38PEBenoit and Harrison, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O+12.24?EIPotzinger and Bunau, 1969RDSH
C7H15+10.0 ± 0.1?EIPotzinger and Bunau, 1969RDSH
C8H15O+10.03CH3EIPotzinger and Bunau, 1969RDSH

De-protonation reactions

C9H17O- + Hydrogen cation = 2-Nonanone

By formula: C9H17O- + H+ = C9H18O

Quantity Value Units Method Reference Comment
Deltar1524. ± 9.2kJ/molTDEqBurkell, Fridgen, et al., 2003gas phase; B
Quantity Value Units Method Reference Comment
Deltar1495. ± 8.8kJ/molTDEqBurkell, Fridgen, et al., 2003gas phase; B

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.

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]

Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J., The effect of alkyl substitution on ionisation potential, J. Chem. Soc., 1971, (B), 790. [all data]

Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G., Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules, J. Am. Chem. Soc., 1977, 99, 3980. [all data]

Potzinger and Bunau, 1969
Potzinger, P.; Bunau, G.v., Empirische Beruksichtigung von Uberschussenergien bei der Auftrittspotentialbestimmung, Ber. Bunsen-Ges. Phys. Chem., 1969, 73, 466. [all data]

Burkell, Fridgen, et al., 2003
Burkell, J.L.; Fridgen, T.D.; McMahon, T.B., Gas-phase acidities and sites of deprotonation of 2-ketones and structures of the corresponding enolates, Int. J. Mass Spectrom., 2003, 227, 3, 497-508, https://doi.org/10.1016/S1387-3806(03)00102-7 . [all data]


Notes

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