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Synthesis, structural and solvent influence studies on solvatochromic of acetylacetonatocopper(II) with N,N′-dibenzylic or thiophene derivatives of ethylenediamine complexes

Authors
Journal
Journal of Molecular Structure
0022-2860
Publisher
Elsevier
Publication Date
Volume
779
Identifiers
DOI: 10.1016/j.molstruc.2005.07.018
Keywords
  • Mixed-Chelate: Copper(Ii) Complexes
  • Solvatochromism
  • N-Ligand
  • X-Ray Crystal Structure
  • Acetylacetonate

Abstract

Abstract Five mixed-chelate copper(II) complexes with the general formula [Cu(acac)(diam)]ClO 4, where acac is acetylacetonate ion and diam is N,N′-dibenzylic or thiophene derivatives of ethylenediamine were prepared and characterized by elemental analysis, spectroscopic and conductance measurements. The X-ray crystal analysis of these complexes demonstrated that ClO 4 − ions are bound weakly above and below of the chelate plane. In solution, the perchlorate ions are driven out by solvent molecules leading to their solvatochromism.

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