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1-Butyne

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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:
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 C4H6+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.18 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
10.20 ± 0.02PEBieri, Burger, et al., 1977LLK
10.178 ± 0.005PECarlier, Dubois, et al., 1975LLK
10.18EILossing, 1972LLK
10.18SNakayama and Watanabe, 1964RDSH
10.18 ± 0.01PIWatanabe and Namioka, 1956RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3+15.1C3H3EISenSharma and Franklin, 1973LLK
C2H5+12.9 ± 0.1C2HEICoats and Anderson, 1957RDSH
C3H+12.59?EIField, Franklin, et al., 1957RDSH
C3H3+11.7CH3EISenSharma and Franklin, 1973LLK
C3H3+10.84CH3EILossing, 1972LLK
C4H+13.202H2+HEIField, Franklin, et al., 1957RDSH
C4H3+14.6 ± 0.2H2+HEICoats and Anderson, 1957RDSH
C4H4+10.9 ± 0.2H2EICoats and Anderson, 1957RDSH
C4H5+10.85HEILossing and Holmes, 1984LBLHLM
C4H5+11.6 ± 0.1HEICoats and Anderson, 1957RDSH

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.

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]

Lossing, 1972
Lossing, F.P., Free radicals by mass spectrometry. XLV. Ionization potentials and heats of formation of C3H3, C3H5, and C4H7 radicals and ions, Can. J. Chem., 1972, 50, 3973. [all data]

Nakayama and Watanabe, 1964
Nakayama, T.; Watanabe, K., Absorption and photoionization coefficients of acetylene, propyne, and 1-butyne, J. Chem. Phys., 1964, 40, 558. [all data]

Watanabe and Namioka, 1956
Watanabe, K.; Namioka, T., Ionization potential of propyne, J. Chem. Phys., 1956, 24, 915. [all data]

SenSharma and Franklin, 1973
SenSharma, D.K.; Franklin, J.L., Heat of formation of free radicals by mass spectrometry, J. Am. Chem. Soc., 1973, 95, 6562. [all data]

Coats and Anderson, 1957
Coats, F.H.; Anderson, R.C., Thermodynamic data from electron-impact measurements on acetylene and substituted acetylenes, J. Am. Chem. Soc., 1957, 79, 1340. [all data]

Field, Franklin, et al., 1957
Field, F.H.; Franklin, J.L.; Lampe, F.W., Reactions of gaseous ions. II. Acetylene, J. Am. Chem. Soc., 1957, 79, 2665. [all data]

Lossing and Holmes, 1984
Lossing, F.P.; Holmes, J.L., Stabilization energy and ion size in carbocations in the gas phase, J. Am. Chem. Soc., 1984, 106, 6917. [all data]


Notes

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