Two octacyanometallate based WVNiII and MoVNiII chains with dominant ferromagnetic interactions

The preparation, single-crystal X-ray crystallography and magnetic properties are reported for two single-zigzag chain complexes {[W(CN)8][Ni(imi)4]}·Bu4N·CH3OH·2H2O (1) and {[Mo(CN)8][Ni(imi)4]}·Bu4N·2H2O (2) (imi=imidazole, Bu=normal-butyl). The structure studies reveal that both complexes feature...

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Bibliographic Details
Published in:Inorganic chemistry communications 2015-07, Vol.57, p.29-32
Main Authors: Zhao, Liang, Liu, Tao, Zhuang, Peng-Fei, Zheng, Hui, Jiao, Cheng-Qi, Hu, Ji-Xiang, Wang, Jun-Li, Ren, Ling-Xiang, He, Cheng, Duan, Chun-Ying
Format: Article
Language:English
Subjects:
Building block
Cyanide
Ferromagnetic
Octacyanometallate
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Summary:The preparation, single-crystal X-ray crystallography and magnetic properties are reported for two single-zigzag chain complexes {[W(CN)8][Ni(imi)4]}·Bu4N·CH3OH·2H2O (1) and {[Mo(CN)8][Ni(imi)4]}·Bu4N·2H2O (2) (imi=imidazole, Bu=normal-butyl). The structure studies reveal that both complexes feature one-dimension anion chains linked by [W(CN)8]3− units in 1 or [Mo(CN)8]3− units in 2. Magnetic studies show that strong ferromagnetic exchange is operative within the WV(μ-CN)NiII units for (1) and MoV(μ-CN)NiII units for (2). Two cyano-bridged based {WNi} and {MoNi} chain have been synthesized by utilizing two octacyanometallate precursors [M(CN)8]3− (M=Mo, W) with the Ni2+(imidazole)4 as the second building block. The ferromagnetic interaction dominates in them. [Display omitted] •Two octacyanometallate based chains {WNi} and {MoNi} have been synthesized.•Ferromagnetic interaction dominates in them.•The coupling interaction of WVNiII chain was larger than the MoVNiII chain.
ISSN:1387-7003
1879-0259
DOI:10.1016/j.inoche.2015.04.014