Journal
POLYHEDRON
Volume 28, Issue 11, Pages 2149-2156Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2009.04.006
Keywords
Symmetrical and unsymmetrical dicopper(II) complexes; X-ray crystal structures; Solution magnetic moment; Paramagnetic H-1 NMR
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Funding
- Indian Institute of Technology Madras
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mu-1,3-Acetamide or acetate bridged, symmetric and asymmetric dicopper(II) complexes viz [Cu-2(P1-O-)(NHAc-)](ClO4)(2) (1), [Cu-2(P2-O-)(OAc-)](ClO4)(2) (2) and [Cu-2(P2'-O-)(OAc-)(H2O)](ClO4)(2) (3) were synthesized by employing classic dinucleating ligands; P1-OH, P2-OH (symmetric), and P2'-OH (asymmetric) having trivial differences ill their ligand frame work. Solid state structures of these complexes were determined by X-ray crystallography. In solution, they were also characterized by various spectroscopic techniques, which includes ESI-MS, FT-IR, optical, solution magnetic moment, paramagnetic H-1 NMR and EPR. The solution magnetic moment of these complexes at room temperature suggests a weak magnetic interaction between the two Cu(II) centers. Published by Elsevier Ltd.
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