New Binuclear Complexes with Mixed Ligands and μ2-Phenol Oxygen Bridges: Synthesis Crystal Structures and Magnetism



Two new complexes, [M2(L)2(bpy)2](ClO4)2 [L = methyl salicylate, bpy = 2,2′-bipyridine, M = Cu (1) and Zn (2)] have been synthesized and structurally characterized by X-ray structure analyses. The centrosymmetric dimeric structure consists of a binuclear unit, in which M (M = Cu or Zn) atoms are bridged by two phenol oxygen atoms as a μ 2-bridged. The neighboring binuclear units interact with each other by two kinds of weak contacts: one kind is π–π stacking by π–σ attraction with an edge-to-face C–H···π interaction, and the second type is a H-bonding interaction, which extends the binuclear unit into a 3D network. Magnetic measurements confirm that 1 presents a very strong intradinuclear ferromagnetic coupling between the copper(II) ions.


Mixed ligand μ-Phenol oxygen bridges Offset π-stacked Hydrogen-bond Crystal structure Magnetic properties 


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© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of Application Chemistry, College of ScienceTianjin University of CommerceTianjinPeople’s Republic of China

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