Two new pseudohalide bridged di- and poly-nuclear copper(II) complexes: Synthesis, crystal structures and magnetic studies

Soma Sen, Samiran Mitra, David L. Hughes, Georgina Rosair, Cédric Desplanches

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56 Citations (Scopus)

Abstract

Two new pseudohalide bridged di- and poly-nuclear copper(II) complexes [Cu2(L)21,1-N3)2] (1), [Cu(L)(µ1,3-NCS)]n (2), [LH = C6H5C(O)NHN{double bond, long}C(CH3)C5H4N] have been synthesised and characterised by elemental analysis, IR and UV-Vis spectral studies. Structures of both the complexes have been established by X-ray crystallography. A tridentate hydrazone ligand (LH) obtained by the condensation of benzhydrazide and 2-acetylpyridine is used for the preparation of complexes 1 and 2. Variable temperature magnetic susceptibility measurement studies indicate there is a weak ferromagnetic interaction between the two copper(II) ions in 1 (J = +0.75 cm-1), while weak antiferromagnetic interaction is observed with J values -0.23 cm-1 for 2. © 2007 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1740-1744
Number of pages5
JournalPolyhedron
Volume26
Issue number8
DOIs
Publication statusPublished - 21 May 2007

Keywords

  • Copper(II) complexes
  • Crystal structures
  • Magnetic studies
  • Tridentate hydrazone ligand

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