Ethane, 1,1-difluoro-

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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:
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

Quantity Value Units Method Reference Comment
IE (evaluated)11.865 ± 0.030eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
11.865 ± 0.030PIHeinis, Bar, et al., 1985LBLHLM
11.864 ± 0.029PIHeinis, Bar, et al., 1984LBLHLM
12.68EILifshitz and Long, 1965RDSH
12.8PESauvageau, Doucet, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHF2+12.808 ± 0.020CH3PIHeinis, Bar, et al., 1985LBLHLM
CHF2+13.21CH3EILifshitz and Long, 1965RDSH
CH2F+14.66 ± 0.04CH2FPIHeinis, Bar, et al., 1985LBLHLM
CH3+14.25 ± 0.05CHF2PIHeinis, Bar, et al., 1985LBLHLM
CH3+18.6?EILifshitz and Long, 1965RDSH
C2H2F+≤14.67 ± 0.06F-+H2PIHeinis, Bar, et al., 1985LBLHLM
C2H2F+15.52 ± 0.04HF+HPIHeinis, Bar, et al., 1985LBLHLM
C2H2F2+16.5H2EILifshitz and Long, 1965RDSH
C2H3+15.07 ± 0.05F-+HFPIHeinis, Bar, et al., 1985LBLHLM
C2H3+15.73 ± 0.05F+HFPIHeinis, Bar, et al., 1985LBLHLM
C2H3F+13.40 ± 0.05HFPIHeinis, Bar, et al., 1985LBLHLM
C2H3F+14.8?EILifshitz and Long, 1965RDSH
C2H3F2+12.203 ± 0.030HPIHeinis, Bar, et al., 1985LBLHLM
C2H3F2+12.203 ± 0.024HPIHeinis, Bar, et al., 1984LBLHLM
C2H3F2+12.18 ± 0.03HPIWilliamson, LeBreton, et al., 1976LLK
C2H3F2+12.33HEILifshitz and Long, 1965RDSH
C2H4F+13.6 ± 0.1FPIHeinis, Bar, et al., 1985LBLHLM
C2H4F+11.87 ± 0.06F-PIHeinis, Bar, et al., 1985LBLHLM
C2H4F+14.8 ± 0.1FEISimmie and Tschuikow-Roux, 1971LLK
C2H4F+14.9FEILifshitz and Long, 1965RDSH


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.

Heinis, Bar, et al., 1985
Heinis, T.; Bar, R.; Borlin, K.; Jungen, M., Photoionization mass spectrometry of 1,1-difluoroethane, Chem. Phys., 1985, 94, 235. [all data]

Heinis, Bar, et al., 1984
Heinis, T.; Bar, R.; Borlin, K.; Jungen, M., Photoionization of 1,1-difluoroethane: The structure of the C2H3F2+ ions, Chem. Phys. Lett., 1984, 105, 327. [all data]

Lifshitz and Long, 1965
Lifshitz, C.; Long, F.A., Appearance potentials and mass spectra of fluorinated ethylenes. II. Heats offormation of fluorinated species and their positive ions, J. Phys. Chem., 1965, 69, 3731. [all data]

Sauvageau, Doucet, et al., 1974
Sauvageau, P.; Doucet, J.; Gilbert, R.; Sandorfy, C., Vacuum ultraviolet and photoelectron spectra of fluoroethanes, J. Chem. Phys., 1974, 61, 391. [all data]

Williamson, LeBreton, et al., 1976
Williamson, A.D.; LeBreton, P.R.; Beauchamp, J.L., Photoionization mass spectrometry of 2-fluoropropane and 2,2-difluoropropane. A novel determination of the proton affinity of vinyl fluoride and 1,1-difluoroethylene, J. Am. Chem. Soc., 1976, 98, 2705. [all data]

Simmie and Tschuikow-Roux, 1971
Simmie, J.M.; Tschuikow-Roux, E., Mass spectrum, appearance potentials and bond dissociation energies of 1,1,1-trifluoroethane, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 41. [all data]


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