ABSOLUTE-CONFIGURATION OF (-(4,4'-DIMETHOXY-2,2'-BIPYRIDINE -DIOXIDE-O,O')BIS(ETHYLENEDIAMINE-N,N')COBALT(III) TRIPERCHLORATE()(589))

Citation
H. Kanno et al., ABSOLUTE-CONFIGURATION OF (-(4,4'-DIMETHOXY-2,2'-BIPYRIDINE -DIOXIDE-O,O')BIS(ETHYLENEDIAMINE-N,N')COBALT(III) TRIPERCHLORATE()(589)), Acta crystallographica. Section C, Crystal structure communications, 54, 1998, pp. 1083-1085
Citations number
12
Categorie Soggetti
Crystallography
ISSN journal
01082701
Volume
54
Year of publication
1998
Part
8
Pages
1083 - 1085
Database
ISI
SICI code
0108-2701(1998)54:<1083:AO(->2.0.ZU;2-J
Abstract
The complex ion of the title molecule, (+)(589)- [Co(C2H8N2)(2)(C12H12 N2O4)](ClO4)(3), has twofold symmetry and the absolute configuration i s ii. The seven-membered chelate ring of the 4,4'-dimethoxy-2,2'-bi-py ridine 1,1'-dioxide ligand adopts a delta chiral skew conformation, wh ich forms a lel structure in the complex ion. The dihedral angle betwe en the two pyridine rings is 61.2(2)degrees, and the O-Co-O bite angle is 91.3(2)degrees. The ethylenediamine chelates take a delta-gauche c onformation in the complex ion.