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ESR study of the radical (C6D5)313C produced in a single crystal matrix
Authors:T Berclaz  M Geoffroy
Institution:Department of Physical Chemistry, University of Geneva, Sciences II, 1211 Geneva 4, Switzerland
Abstract:The (C6D5)313C radical is produced by the x-irradiation of a single crystal of (C6D5)313C-H. The principal values of the hyperfine coupling with the 13C in the methyl position are determined as T1 = 168 MHz, T2 = 24 MHz, T3= 19 MHz. The corresponding spin density is compared with the values obtained in solution by earlier authors. The principal directions are consistent with crystalline structure and show that only one of the two molecules forming the asymmetric unit is broken during irradiation.
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