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Journal of Coordination Chemistry
Year: 2010  |  Volume: 63  |  Issue: 9  |  Page No.: 1538 - 1545

Syntheses, structures, and magnetic properties of two 1-D dicyanamide manganese(III) complexes with Schiff-base ligands

Zong- Wei Li, Pei-Pei Yang, Xiao-Ling Wang and Li-Cun Li    

Abstract: Two new 1-D manganese(III) Schiff-base complexes bridged by dicyanamide (dca), [Mn(III)(5-Brsalen)(dca)] ⋅ CH3OH (1) and [Mn(III)(3,5-Brsalen)(dca)] · CH3OH · CH3CN (2) (5-Brsalen = N,N′-ethylenebis(5-bromo salicylaldiminato) dianion; 3,5-Brsalen = N,N′-ethylenebis(3,5-dibromosalicylal diminato) dianion), have been synthesized and characterized. X-ray diffraction analyses reveal that the two complexes have 1-D chain structures constructed by μ1,5-dca bridge. Magnetic susceptibility measurements exhibit weak antiferromagnetic exchange coupling in the complexes.

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