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Synthesis and structural studies of novel Co(III) ternary complexes containing N(4)-substituted thiosemicarbazones of 2-hydroxyacetophenone and heterocyclic bases

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Title Synthesis and structural studies of novel Co(III) ternary complexes containing N(4)-substituted thiosemicarbazones of 2-hydroxyacetophenone and heterocyclic bases
 
Creator JOHN, RP
SREEKANTH, A
KURUP, MRP
MOBIN, SM
 
Subject cobalt(iii) complexes
coordinating agents
pyridoxal-thiosemicarbazone
copper(ii) complexes
nickel(ii) complexes
transition-metals
iron(iii)
2-acetylpyridine
ligands
cobalt(iii)
thiosemicarbazone
x-ray crystal studies
(1)h nmr
ir
electronic spectra
 
Description An interesting series of eight neutral ternary Co(III) complexes of 2-hydroxyacetophenone N(4)-substituted thiosemicarbazones (H(2)L), bidentate heterocyclic bases 2,2-bipyridine (bipy)/1,10-phenanthroline (phen) and azide with a general formula [MLB(N(3))] were prepared. The complexes were characterized by means of spectroscopic methods. The coordination geometry around Co(III) in all the complexes is distorted octahedral with one dibasic tridentate ligand L, one bidentate heterocyclic base and one terminally coordinated azide group. Crystal structure of the compound CoL(4)bipyN(3) was completely solved. All the electronic transitions were assigned. All complexes were diamagnetic indicating cobalt in a d6 strong Field. (C) 2002 . .
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2011-08-26T19:41:10Z
2011-12-26T12:57:35Z
2011-12-27T05:43:45Z
2011-08-26T19:41:10Z
2011-12-26T12:57:35Z
2011-12-27T05:43:45Z
2002
 
Type Article
 
Identifier POLYHEDRON, 21(24), 2515-2521
0277-5387
http://dx.doi.org/10.1016/S0277-5387(02)01227-5
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11417
http://hdl.handle.net/10054/11417
 
Language en