An electron impact investigation of pentafluoroethyl iodide

Hsieh, Tacheng; Hanrahan, Robert J.

doi:10.1016/0020-7381(77)80013-2

Cited by 7 publications

(1 citation statement)

References 13 publications

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“…26 11.7 ± 0.1 eV. 26 The appearance energy of C 2 F 5 + with the plasma on observed here, 10.4 ± 0.2 eV, is significantly lower than appearance energy of C 2 F 5 + from C 2 F 5 I and close to a previously reported ionization energy for the radical C 2 F 5 , 9.98 eV. 27 It is concluded that the radical C 2 F 5 was present in the sample gas with the plasma on.…”

Section: A Electron Beam Measurementsmentioning

confidence: 97%

Dissociative electron attachment to C2F5 radicals

Haughey

Field

Langer

et al. 2012

The Journal of Chemical Physics

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Dissociative electron attachment to the reactive C 2 F 5 molecular radical has been investigated with two complimentary experimental methods; a single collision beam experiment and a new flowing afterglow Langmuir probe technique. The beam results show that F − is formed close to zero electron energy in dissociative electron attachment to C 2 F 5 . The afterglow measurements also show that F − is formed in collisions between electrons and C 2 F 5 molecules with rate constants of 3.7 × 10 −9 cm 3 s −1 to 4.7 × 10 −9 cm 3 s −1 at temperatures of 300-600 K. The rate constant increases slowly with increasing temperature, but the rise observed is smaller than the experimental uncertainty of 35%.

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Section: A Electron Beam Measurementsmentioning

confidence: 97%

Dissociative electron attachment to C2F5 radicals

Haughey

Field

Langer

et al. 2012

The Journal of Chemical Physics

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Determination of enthalpies of formation of organic free radicals from bond dissociation energies 2. Halosubstituted radicals

1998

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The enthalpies of formation (AHf) for 23 halosubstituted radicals were determined from the published data on bond dissociation energies. The A/'/f values of the corresponding molecules necessary for the calculation of AHf ~ of the radicals were taken from handbooks or calculated by the additive-group method. The conjugation energies of the radicals are calculated, and the effect of substituents at the ~-system on these values was shown. Errors of determination of the AHf values of the radicals were estimated.

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