Electron spin resonance spectra of tetrafluoroethylene radical cation
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 79 (1) , 93-97
- https://doi.org/10.1039/f19837900093
Abstract
Exposure of a solid solution of FCCl3 containing C2F4 to γ-rays at 77 K gave a species whose e.s.r. spectrum comprised an anisotropic quintet attributed to hyperfine coupling to the four equivalent fluorines of the C2F4 radical cation. An extra, small doublet splitting is assigned tentatively to the fluorine of a matrix molecule interacting with the radical cation. INDO calculations show that the radical cation has a planar structure with the unpaired electron in the bonding π orbital, the estimated 19F coupling constants being in good agreement with the experimental data.Keywords
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