Cyclobutane, octafluoro-

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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 compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to C4F8+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
0.630 ± 0.050KineMiller, Freidman, et al., 2004Re-determination of foreward/reverse rates constants, to refute Hiraoka, Mizuno, et al., 2002 higher value.See also Bopp, Roscioli, et al., 2007; B
0.630 ± 0.020KineMiller, Morris, et al., 1994FALP experiment: ratio of attach/detach rate constants; B
0.520 ± 0.052IMREHiraoka, Mizuno, et al., 2002isomer, accessible at >350 K; B
1.05 ± 0.10IMREHiraoka, Mizuno, et al., 2002equilibrium vs. SF6; may be kinetic stationary state; B
>0.40 ± 0.30EndoLifshitz, Tiernan, et al., 1973B

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CF3+15.7?EIBibby and Carter, 1963RDSH
C2F4+12.25?EIBibby and Carter, 1963RDSH
C3F5+12.25?EIBibby and Carter, 1963RDSH
F+24.0?EIBibby and Carter, 1963RDSH


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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Miller, Freidman, et al., 2004
Miller, T.M.; Freidman, J.F.; Viggiano, A.A., Electron Attachment and detachment and the Electron Affinity of cyclo-C4F8, J. Chem. Phys., 2004, 120, 15, 7024-7028, . [all data]

Hiraoka, Mizuno, et al., 2002
Hiraoka, K.; Mizuno, T.; Eguchi, D.; Takao, K.; Iino, T.; Yamabe, S., Gas-phase ion/molecule reactions in octafluorocyclobutane, J. Chem. Phys., 2002, 116, 17, 7574-7582, . [all data]

Bopp, Roscioli, et al., 2007
Bopp, J.C.; Roscioli, J.R.; Johnson, M.A.; Miller, T.M.; Viggiano, A.A.; Villano, S.M.; Wren, S.W.; Lineberger, Spectroscopic characterization of the isolated SF6- and C4F8- anions: Observation of very long harmonic progressions in symmetric deformation modes upon photodetachment, J. Phys. Chem. A, 2007, 111, 7, 1214-1221, . [all data]

Miller, Morris, et al., 1994
Miller, T.M.; Morris, R.A.; Miller, A.E.S.; Viggiano, A.A.; Paulson, J.F., Observation of Thermal Electron Detachment from Cyclo-C4F8- in FALP Experiments, Int. J. Mass Spectrom. Ion Proc., 1994, 135, 2-3, 195, . [all data]

Lifshitz, Tiernan, et al., 1973
Lifshitz, C.; Tiernan, T.O.; Hughes, B.M., Electron affinities from endothermic negative-ion charge transfer reactions. IV. SF6, selected fluorocarbons, and other polyatomic molecules, J. Chem. Phys., 1973, 59, 3182. [all data]

Bibby and Carter, 1963
Bibby, M.M.; Carter, G., Ionization and dissociation in some fluorocarbon gases, J. Chem. Soc. Faraday Trans., 1963, 59, 2455. [all data]


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