Cyanide-bridged FeIII-MnIII bimetallic chain derived from [Fe(bipy)(CN)4]-: synthesis, structure and magnetic characteristics

Author： Xu Yan   Shen Xiao-Ping   Zhang Qian   Yuan Ai-Hua   Zhou Hu  

Publisher： Taylor & Francis Ltd

ISSN： 0095-8972

Source： Journal of Coordination Chemistry, Vol.62, Iss.19, 2009-10, pp. : 3126-3133

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract

A chain-like compound of [Mn(salpn)][Fe(bipy)(CN)4] (1) (salpn = N,N'-propylenebis(salicylideneiminato)dianion; bipy = 2,2'-bipyridine), assembled from building blocks of [Fe(bipy)(CN)4]- and [Mn(salpn)]+, has been characterized by elemental analyses, ICP, IR, thermoanalysis, single crystal X-ray structure analysis and magnetic measurements. In 1, each [Fe(bipy)(CN)4]- anion coordinates with two [MnIII(salpn)]+ cations via two trans-CN- groups, and each [MnIII(salpn)]+ cation is axially coordinated by two [Fe(bipy)(CN)4]- ions, resulting in a straight 1-D chain. The chains stack via aromatic π-π-type interactions. Magnetic studies reveal the presence of weak antiferromagnetic interactions between adjacent FeIII and MnIII ions through cyanide-bridges.

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