Synthesis and crystal structure of mononuclear copper(II) complex of tridentate Schiff base ligand and its ferrocyanide-bridged pentanuclear complex

Nijhuma Mondal, Manas Kumar Saha, Bappaditya Bag, Samiran Mitra, Georgina Rosair, Mohamed Salah El Fallah

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26 Citations (Scopus)

Abstract

The compound [Cu(L)(OAc)H2O] (1) (HL is a tridentate Schiff base derived from 2-hydroxyacetophenone and 2-dimethylaminoethylamine) has been synthesized and its crystal structure has been determined. The addition of [Fe(CN)6]4- to [Cu(L)(OAc)H2O] gives the pentanuclear complex [(CuL)4Fe(CN)6]·l6H2O (2). Four Cu(II) centres are joined to a single Fe(II) centre via cyanide bridges. The two remaining cyanide groups on the iron are terminal. The presence of sixteen water molecules per pentanuclear complex has been confirmed by thermogravimetric analysis and the activation energy for the elimination of water has been computed and found to be 57 kJ mol-1. © 2001 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)579-584
Number of pages6
JournalPolyhedron
Volume20
Issue number7-8
DOIs
Publication statusPublished - 15 Apr 2001

Keywords

  • Copper complexes
  • Cyanide-bridge
  • Schiff base

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