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1-Hexyne

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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

View reactions leading to C6H10+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.03 ± 0.05eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)191.2kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity185.2kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.95 ± 0.05EIWolkoff, Holmes, et al., 1980LLK
10.07 ± 0.02PEBieri, Burger, et al., 1977LLK
10.067 ± 0.005PECarlier, Dubois, et al., 1975LLK
10.52 ± 0.05EIPraet, 1970RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H5+14.09 ± 0.05?EIPraet, 1970RDSH
C4H6+11.08 ± 0.05C2H4EIPraet, 1970RDSH
C5H7+10.04 ± 0.05CH3EIWolkoff, Holmes, et al., 1980LLK
C5H7+10.87 ± 0.05CH3EIPraet, 1970RDSH
C6H9+10.75 ± 0.05HEIPraet, 1970RDSH

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]

Wolkoff, Holmes, et al., 1980
Wolkoff, P.; Holmes, J.L.; Lossing, F.P., On the formation of cyclopentenium cations from all C6H10+ molecular ion structures, Can. J. Chem., 1980, 58, 251. [all data]

Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P., Valence ionization enrgies of hydrocarbons, Helv. Chim. Acta, 1977, 60, 2213. [all data]

Carlier, Dubois, et al., 1975
Carlier, P.; Dubois, J.E.; Masclet, P.; Mouvier, G., Spectres de photoelectrons des alcynes, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 55. [all data]

Praet, 1970
Praet, M.-Th., Ionisation et dissociation du 1-methyl-cyclopentene, du methylenecyclopentane et de quelques isomeres par impact d'electrons et de photons, Org. Mass Spectrom., 1970, 4, 65. [all data]


Notes

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