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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

View reactions leading to C4H8O2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)825.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity796.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.33EICollin and Conde, 1966RDSH
10.12PEAsfandiarov and Zykov, 1983Vertical value; LBLHLM
10.12PEKobayashi and Nagakura, 1973Vertical value; LLK
10.1PESweigart and Turner, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH2O+11.82?EICollin and Conde, 1966RDSH
C2H4+13.16?EICollin and Conde, 1966RDSH
C3H5O+12.17?EICollin and Conde, 1966RDSH
C3H6O+11.12CH2OEICollin and Conde, 1966RDSH
C3H7O+12.17CHOEICollin and Conde, 1966RDSH
C4H7O2+10.42HEICollin and Conde, 1966RDSH


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]

Collin and Conde, 1966
Collin, J.E.; Conde, G., L'ionisation et la dissociation des polyethers cycliques soumis a l'impact electronique, Bull. Classe Sci. Acad. Roy. Belg., 1966, 52, 978. [all data]

Asfandiarov and Zykov, 1983
Asfandiarov, N.L.; Zykov, B.G., Photoelectron spectra of methyl-substituted 1,3-Dioxanes, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1983, 10, 2069, In original 2293. [all data]

Kobayashi and Nagakura, 1973
Kobayashi, T.; Nagakura, S., Photoelectron spectra of tetrahydropyran, 1,3-dioxane, and 1,4-dioxane, Bull. Chem. Soc. Jpn., 1973, 46, 1558. [all data]

Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W., Lone pair orbitals and their interactions studied by photoelectron spectroscopy. II. Equivalent orbitals in saturated oxygen and sulfur J. Heterocycl. Chem., J. Am. Chem. Soc., 1972, 94, 5599. [all data]


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