Translational energy release in the loss of fluorine atoms from the ions SF+6, CF+4 and C2F+6

I. G. Simm; C. J. Danby; J. H. D. Eland; P. I. Mansell

doi:10.1039/F29767200426

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Translational energy release in the loss of fluorine atoms from the ions SF ⁺₆, CF ⁺₄ and C₂F ⁺₆

I. G. Simm, C. J. Danby, J. H. D. Eland and P. I. Mansell

Abstract

Distributions of translational energy released in the loss of fluorine atoms from SF⁺₆, CF⁺₄ and C₂F⁺₆ ions have been investigated as a function of initial ion internal energy using photoelectron-photoion coincidence spectrometry. The distributions are dominated by high kinetic energies, representing a substantial proportion of the excess energy available to the reaction. In the case of SF⁺₅ and CF⁺₃ formation the distributions remain constant, despite changing available energy, within one electronic state of the parent ion. Such distributions are not consistent with the predictions of the statistical theories of unimolecular reactions, but rather indicate dissociation within a time short compared with the statistical pratition of energy among the internal modes of the reactant ion. The implications of the distributions on the nature of the ionic potential surfaces are discussed.

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DOI: https://doi.org/10.1039/F29767200426
Article type: Paper

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J. Chem. Soc., Faraday Trans. 2, 1976,72, 426-434

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Translational energy release in the loss of fluorine atoms from the ions SF⁺₆, CF⁺₄ and C₂F⁺₆

I. G. Simm, C. J. Danby, J. H. D. Eland and P. I. Mansell, J. Chem. Soc., Faraday Trans. 2, 1976, 72, 426 DOI: 10.1039/F29767200426

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Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics