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Synthesis, characterization and crystal structure of a novel coordination compound based on the mixed N- and O- donor ligands exhibiting the metal ion-bridged ligand–ligand interaction: [Zn(2,2′-bipy)(Phmal)(H2O)]·2H2O

Authors
Journal
Journal of Molecular Structure
0022-2860
Publisher
Elsevier
Publication Date
Volume
779
Identifiers
DOI: 10.1016/j.molstruc.2005.07.014
Keywords
  • Synthesis
  • Characterization
  • Crystal Structure
  • Mixed-Ligand
  • Intramolecular π–π Stacking Interaction
Disciplines
  • Earth Science
  • Mathematics

Abstract

Abstract The novel ternary zinc(II) coordination compound of formula [Zn(2,2′-bipy)(Phmal)(H 2O)]·2H 2O (Phmal=phenylmalonate, 2,2′-bipy=2,2′-bipyridine) has been synthesized and characterized by FT-IR spectroscopy, thermogravimetric analysis (TG), UV–Vis spectra. X-ray crystallographic studies of the complex reveal that the zinc atom has a distorted square–pyramidal geometry being coordinated by two nitrogen atoms of 2,2′-bipy, two oxygen atoms from the phenylmalonate ligand and one water. It is very interesting in this structure that the complex involves a metal ion bridged ligand–ligand aromatic ring intramolecular π–π stacking interaction. An extended two-dimensional supramolecular network exhibiting the (6, 3) pattern was assembled through hydrogen bonding.

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