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Syntheses and characterization of copper(II) complexes of bis(acetylacetone)trimethylenediimine

Authors
Journal
Polyhedron
0277-5387
Publisher
Elsevier
Publication Date
Volume
20
Identifiers
DOI: 10.1016/s0277-5387(01)00721-5
Keywords
  • Schiff Base
  • Copper(Ii) Complexes
  • Adduct
  • Controlling-Effect
  • Crystal Structure
  • Ir
  • Cv
Disciplines
  • Chemistry

Abstract

Abstract Copper(II) complexes [Cu(acactn)H 2O] 2 ( 1) and [Cu 2(acactn) 2KClO 4] 2 ( 2), where H 2acactn is a tetradentate Schiff base bis(acetylacetone)trimethylenediimine, have been prepared and characterized by IR, CV and X-ray single crystal structure analyses. The ligand H 2acactn is strongly metallophilic to stabilize Cu(II) ion with a square planar N 2O 2 coordination environment. Complex 1 can be seen as a hydrogen-bonded dimer of building block Cu(acactn) via bridging water molecules, while complex 2 is a tetrametric adduct of [Cu(acactn)] moiety and KClO 4, in which K + and ClO 4 − are the bridging-groups. Electrochemical studies displayed that Cu(II)/Cu(I) is an irreversible one-electron reduction process.

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