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Ethene, tetrafluoro-

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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:
LL - Sharon G. Lias and Joel F. Liebman
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 C2F4+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.14 ± 0.07eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
10.114 ± 0.010PIBuckley, Johnson, et al., 1995LL
10.14 ± 0.02PEBieri, Niessen, et al., 1981LLK
10.14PESell, Mintz, et al., 1978LLK
10.32PECullen, Frost, et al., 1972LLK
10.10PEBrundle, Robin, et al., 1972LLK
10.11PELake and Thompson, 1970RDSH
10.12 ± 0.01PIWalter, Lifshitz, et al., 1969RDSH
10.12PIBralsford, Harris, et al., 1960RDSH
10.69 ± 0.02PEBieri, Niessen, et al., 1981Vertical value; LLK
10.56 ± 0.02PESell and Kuppermann, 1979Vertical value; LLK
10.52PERobin, Taylor, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CF+13.76 ± 0.01CF3PIWalter, Lifshitz, et al., 1969RDSH
CF2+15.2 ± 0.1CF2EISyrvatka, Bel'ferman, et al., 1971LLK
CF2+14.63 ± 0.04CF2PIWalter, Lifshitz, et al., 1969RDSH
CF2+15.0 ± 0.3CF2EIZmbov, Uy, et al., 1968RDSH
CF2+15.26 ± 0.05CF2EIPottie, 1965RDSH
CF3+13.70 ± 0.02CFPIWalter, Lifshitz, et al., 1969RDSH
C2F3+15.84 ± 0.02FPIWalter, Lifshitz, et al., 1969RDSH
F+29.5 ± 1.0?EITikhomirov and Komarov, 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.

Buckley, Johnson, et al., 1995
Buckley, T.J.; Johnson, R.D.; Huie, R.E.; Zhang, Z.; Kuo, S.C.; Klemm, R.B., Ionization energies, appearance energies, and thermochemistry of CF2O and FCO, J. Phys. Chem., 1995, 99, 4879. [all data]

Bieri, Niessen, et al., 1981
Bieri, G.; Niessen, W.V.; Asbrink, L.; Svensson, A., The He(II) photoelectron spectra of the fluorosubstituted ethylenes and their analysis by the green's function method, Chem. Phys., 1981, 60, 61. [all data]

Sell, Mintz, et al., 1978
Sell, J.A.; Mintz, D.M.; Kupperman, A., Photoelectron angular distributions of carbon-carbon «pi» electrons in ethylene, benzene, and their fluorinated derivatives, Chem. Phys. Lett., 1978, 58, 601. [all data]

Cullen, Frost, et al., 1972
Cullen, W.R.; Frost, D.C.; Leeder, W.R., The ultraviolet and photoelectron spectra of some unsaturated fluorocarbon derivatives, J. Fluorine Chem., 1972, 1, 227. [all data]

Brundle, Robin, et al., 1972
Brundle, C.R.; Robin, M.B.; Kuebler, N.A.; Basch, H., Perfluoro effect in photoelectron spectroscopy. I. Nonaromatic molecules, J. Am. Chem. Soc., 1972, 94, 1451. [all data]

Lake and Thompson, 1970
Lake, R.F.; Thompson, H., Photoelectron spectra of halogenated ethylenes, Proc. Roy. Soc. (London), 1970, A315, 323. [all data]

Walter, Lifshitz, et al., 1969
Walter, T.A.; Lifshitz, C.; Chupka, W.A.; Berkowitz, J., Mass-spectrometric study of the photoionization of C2F4 and CF4, J. Chem. Phys., 1969, 51, 3531. [all data]

Bralsford, Harris, et al., 1960
Bralsford, R.; Harris, P.V.; Price, W.C., The effect of fluorine on the electronic spectra and ionization potentials of molecules, Proc. Roy. Soc. (London), 1960, A258, 459. [all data]

Sell and Kuppermann, 1979
Sell, J.A.; Kuppermann, A., Variable angle photoelectron spectroscopy of the fluoroethylenes, J. Chem. Phys., 1979, 71, 4703. [all data]

Robin, Taylor, et al., 1973
Robin, M.B.; Taylor, G.N.; Kuebler, N.A.; Bach, R.D., Planarity of the carbon skeleton in various alkylated olefins, J. Org. Chem., 1973, 38, 1049. [all data]

Syrvatka, Bel'ferman, et al., 1971
Syrvatka, B.G.; Bel'ferman, A.L.; Gil'burd, M.M.; Moin, F.B., Determination of the dissociation energy of the double bond in some fluorochloro-substituted ethylenes and their ions by electron bombardment, J. Org. Chem. USSR, 1971, 7, 8, In original 9. [all data]

Zmbov, Uy, et al., 1968
Zmbov, K.F.; Uy, M.; Margrave, J.L., Mass spectrometric study of the high-temperature equilibrium C2F4 = 2CF2 and the heat of formation of the CF2 radical, J. Am. Chem. Soc., 1968, 90, 5090. [all data]

Pottie, 1965
Pottie, R.F., Ionization potential and heat of formation of the difluoromethylene radical, J. Chem. Phys., 1965, 42, 2607. [all data]

Tikhomirov and Komarov, 1966
Tikhomirov, M.V.; Komarov, V.N., Effect of the surface on the mass spectrum of tetrafluoroethylene and the appearance potential of F+, Zh. Fiz. Khim., 1966, 40, 1392, In original 751. [all data]


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