EPR spectra of low-symmetry tetrahedral high-spin cobalt(II) in a cinchoninium tetrachlorocobaltate(II) dihydrate single crystal

1985 ◽  
Vol 24 (24) ◽  
pp. 4009-4012 ◽  
Author(s):  
H. Drulis ◽  
K. Dyrek ◽  
K. P. Hoffmann ◽  
Stanislaw K. Hoffmann ◽  
A. Weselucha-Birczynska
1986 ◽  
Vol 17 (11) ◽  
Author(s):  
H. DRULIS ◽  
K. DYREK ◽  
K. P. HOFFMANN ◽  
S. K. HOFFMANN ◽  
A. WESELUCHA-BIRCZYNSKA

1990 ◽  
Vol 171 (1-2) ◽  
pp. 114-118
Author(s):  
Mark Wicholas ◽  
Claudia Zanchini
Keyword(s):  

1980 ◽  
Vol 45 (6) ◽  
pp. 1669-1676 ◽  
Author(s):  
Pavel Kubáček

The first step of electrochemical oxidation of 2-phenyl- and 2-(4-tolyl)-1,3,4,7-tetramethylisoindoles in anhydrous acetonitrile produces relatively stable cationradicals which have been studied by means of EPR spectroscopy using the method of internal electrochemical generation of radicals under reduced temperature. The same electrochemical behaviour of the both studied derivatives and identical EPR spectra of their cationradicals can be explained within the Huckel MO method. The largest contribution to the magnitude of splitting constant of nitrogen nucleus is due to π-σ-spin polarization of C-N bonds caused by high spin abundance of pz-AO of carbon atoms. Half-life of decomposition of the studied cationradicals is 4 min at -30°C.


1998 ◽  
Vol 120 (17) ◽  
pp. 4232-4233 ◽  
Author(s):  
Vasily S. Oganesyan ◽  
Clive S. Butler ◽  
Nicholas J. Watmough ◽  
Colin Greenwood ◽  
Andrew J. Thomson ◽  
...  

1984 ◽  
Vol 23 (10) ◽  
pp. 1326-1330 ◽  
Author(s):  
Reddy Damoder ◽  
Kundalika M. More ◽  
Gareth R. Eaton ◽  
Sandra S. Eaton

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