Low energy electron attachment to SF5CF3

Sailer, W.; Drexel, H.; Pelc, A.; Grill, V.; Mason, N.J.; Illenberger, Eugen; Skalny, J.D.; Mitoviny, T.; Scheier, P. and Märk, T.D. (2002). Low energy electron attachment to SF5CF3. Chemical Physics Letters, 351(1-2) pp. 71–78.

DOI: https://doi.org/10.1016/S0009-2614(01)01367-7


Low energy electron attachment to the potent greenhouse gas SF5CF3 is studied at high energy resolution by means of mass spectrometric detection of the product anions. A large dissociative electron attachment (DA) cross-section forming SF5−+CF3 is observed within a very narrow energy range close to zero eV. In addition, comparatively weak resonances are observed near 1 eV yielding the fragment ions CF3− and F−. Some implications for the atmospheric lifetime of SF5CF3 and hence its global warming potential (GWP) are considered.

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