Journal
POLYHEDRON
Volume 23, Issue 7, Pages 1169-1173Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2004.01.010
Keywords
tetranuclear copper(II) complex; structural elucidation; hydrogen bonds
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An unprecedented tetranuclear complex bridged by 3,5-pyridinedicarboxylate (abbreviated as 3,5-PDC) with an empirical formula [Cu-2(2 2'-bpy)(3)(3,5-PDC)](2)(ClO4)(4) . 2(H2O), has been synthesized and spectrally characterized. X-ray structural analysis reveals that there are two types of copper(II) centers, one is penta-coordinate with a distorted pyramidal geometry, while the other is tetra-coordinate with a distorted square planar geometry. 3,5-PDC serves as a tridentate ligand linking three adjacent metals with its one nitrogen and two monodentate carboxylic donors. (C) 2004 Published by Elsevier Ltd.
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