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Title: Zinc(II) and copper(II) 1D coordination polymeric complexes of a reduced Schiff base ligand
Authors: Jia, L.
Tang, N.
Vittal, J.J. 
Keywords: 1D coordination polymers
Hydrogen bonding
Reduced Schiff base
X-ray crystallography
Zinc clusters
Issue Date: 1-Jun-2009
Citation: Jia, L., Tang, N., Vittal, J.J. (2009-06-01). Zinc(II) and copper(II) 1D coordination polymeric complexes of a reduced Schiff base ligand. Inorganica Chimica Acta 362 (8) : 2525-2528. ScholarBank@NUS Repository.
Abstract: The reaction of Zn(ClO4)2 · 6H2O and Cu(ClO4)2 · 6H2O with H3Sas (H3Sas = N-(2-hydroxybenzyl)-L-aspartic acid in water afforded the complexes [Zn6(Sas)4(H2O)8]·5H2O (1) and [Cu(HSas)(H2O)] (2), respectively, which were characterized by infrared spectroscopy, elemental analysis, thermogravimetry and single-crystal X-ray crystallography. In 1, the pentanuclear clusters formed by four H3Sas ligands and five Zn(II) metal ions are bridged by the "[Zn(H2O)4]2+" cations to form 1D polymeric chains. While in 2, the mononuclear [Cu(HSas)(H2O)] repeating units form a 1D zigzag chain and further extended by strong intermolecular hydrogen bonds to form a 2D sheet. The different coordination geometries of Cu(II) and Zn(II) show significant influence on the polymeric structures. © 2008 Elsevier B.V. All rights reserved.
Source Title: Inorganica Chimica Acta
ISSN: 00201693
DOI: 10.1016/j.ica.2008.11.014
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