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ESR study of the triphenylgermyl radical in a single crystal of triphenylgermane

✍ Scribed by M. Geoffroy; L. Ginet; E.A.C. Lucken

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
380 KB
Volume
38
Category
Article
ISSN
0009-2614

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✦ Synopsis

Received 4 I)ect?mbcr 1975

X-irradiation of sin@ crystals of triphcnylgcrmane yields the triphenylgcrmyl radical (CgHs)&e. The 73Ge hypcrfine coupling, parameters show that, as expected, the radical is non-planar and sirnilsr to (Ci,H5)3$ and (CbHs)3PT, Quadrupole'coupling effects were not observed showing that, as expected, the qundrupole coupling constant is small. On stnndinp, a furthrr unidcntificd germaniumcentered rndical slowly appears whose ESR parameters arc also given.

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ESR study of the radical (C6D5)313C prod
ESR study of the radical (C6D5)313C produced in a single crystal matrix
✍ T. Berclaz; M. Geoffroy πŸ“‚ Article πŸ“… 1976 πŸ› Elsevier Science 🌐 English βš– 341 KB

Tfre (CZGD~)-J'~" radid is gtoduced by tbe X-irradtition of a single crystal of [C~Ds)3'3C-H. The principal values of the hyperfíne couplìng with the r3C in the methyl positíon are determined as Tl = 168 MHz, T2 = 24 MHz, \_ = 19 MHz. The corresponding spin density is compaxed witb thc values obtain