scholarly journals Abnormal Hyperfine Splitting in the ESR Spectra of α,α,γ,γ-Tetraphenylallyl-type Organic Stable Free Radicals

1972 ◽  
Vol 45 (2) ◽  
pp. 371-375 ◽  
Author(s):  
Kohji Watanabe ◽  
Jun Yamauchi ◽  
Hiroaki Ohya-Nishiguchi ◽  
Yasuo Deguchi ◽  
Hideo Takaki
Keyword(s):  
Free Radicals ◽  
Hyperfine Splitting ◽  
Esr Spectra ◽  
Stable Free Radicals

scholarly journals Studies on Stable Free Radicals. XI. ESR Spectra of Stable Nitroxide Biradicals

1972 ◽  
Vol 45 (6) ◽  
pp. 1764-1766 ◽  
Author(s):  
Toshimasa Toda ◽  
Eiko Mori ◽  
Keisuke Murayama
Keyword(s):  
Free Radicals ◽  
Esr Spectra ◽  
Stable Free Radicals ◽  
Stable Nitroxide

Pyridyl-Substituted Thioaminyl Stable Free Radicals:  Isolation, ESR Spectra, and Magnetic Characterization1

1998 ◽  
Vol 63 (23) ◽  
pp. 8295-8303 ◽  
Author(s):  
Yozo Miura ◽  
Shinya Kurokawa ◽  
Masaaki Nakatsuji ◽  
Kenjiro Ando ◽  
Yoshio Teki
Keyword(s):  
Free Radicals ◽  
Esr Spectra ◽  
Stable Free Radicals

scholarly journals Studies on Stable Free Radicals. XII. ESR Spectra of 2-t-ButylaminotroponeN-Oxyl Radicals

1972 ◽  
Vol 45 (6) ◽  
pp. 1852-1854 ◽  
Author(s):  
Toshimasa Toda ◽  
Eiko Mori ◽  
Keisuke Murayama
Keyword(s):  
Free Radicals ◽  
Esr Spectra ◽  
Stable Free Radicals

Theory of solvent effects on the hyperfine splitting constants in ESR spectra of free radicals

1982 ◽  
Vol 86 (8) ◽  
pp. 1358-1365 ◽  
Author(s):  
Takehiro Abe ◽  
Shozo Tero-Kubota ◽  
Yusaku Ikegami
Keyword(s):  
Free Radicals ◽  
Solvent Effects ◽  
Hyperfine Splitting ◽  
Esr Spectra

ESR study of the structure and bonding situation in thiocyanatocopper(II) complexes with imidazole derivatives

1988 ◽  
Vol 53 (1) ◽  
pp. 56-60
Author(s):  
Anna Mašlejová ◽  
Reinhard Kirmse
Keyword(s):  
Unpaired Electron ◽  
Hyperfine Splitting ◽  
Esr Spectra ◽  
Ligand Field ◽  
Imidazole Derivatives ◽  
Bonding Parameters ◽  
Monomeric Complex ◽  
Structure And Bonding ◽  
Frozen Solutions ◽  
Planar Symmetry

ESR spectra of thianatocopper(II) complexes with imidazole derivatives were studied in ethanolic solutions at 295 and 123 K. Axialsymmetric spectra, attributed to the monomeric complex units, were obtained for the frozen solutions. The bonding parameters were interpreted by using calculated g, Cu-hyperfine, and 14N-ligand hyperfine splitting values. The Cu-N bond parameters indicate a considerable delocalization of the unpaired electron. The values of the isotropic Cu-hyperfine splitting suggest that the deviations from the planar symmetry of the CuN4 units are due to tetrahedral perturbation of the ligand field.

Association of radical anion with alkali cations. IV. ESR study of the 4-nitrobenzophenone radical anion

1980 ◽  
Vol 45 (2) ◽  
pp. 369-375 ◽  
Author(s):  
Stanislav Miertuš ◽  
Ondrej Kyseľ
Keyword(s):  
Hyperfine Splitting ◽  
Radical Anion ◽  
Esr Spectroscopy ◽  
Supporting Electrolyte ◽  
Esr Spectra ◽  
Proton Donor ◽  
Alkali Cations

The 4-nitrobenzophenone radical anion prepared by electrolysis was studied by ESR spectroscopy. On the basis of the interpretation of ESR spectra, the conformation of this system was estimated. The effect of the concentration of supporting electrolyte and of the presence of a proton-donor agent (C2H5OH) was examined. It is assumed that changes in hyperfine splitting constants are caused by association.

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