EPR study of monomer-dimer equilibrium of nitroxyl radicals, containing an oxime group
β Scribed by O. P. Tkacheva; V. V. Martin; L. B. Volodarskii; A. L. Buchachenko
- Book ID
- 112445818
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 209 KB
- Volume
- 30
- Category
- Article
- ISSN
- 1573-9171
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This paper reports the dimerization of imidazdine nitroxides, containing alcohol groups in the second position, in frozen toluene. The parameters of dipole-dipole interaction of electron spins in dimers were determined using 2 mm EPR spectroscopy. A geometrical model for the dimers could be obtained
The EPR spectra of CH2FC6o and CHF2C6o are presented, and the dominant conformer for each species identified. It is suggested that the equilibrium configurations of fluoromethyl-C6o radicals are determined not by steric effects, but by Coulombic interactions between highly polarizable fluorine atoms