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A sandwich-type tungstoantimonate containing trinuclear nickel ions modified with aminopyrazine ligand

Wu, Lizhou ; Liu, Bin ; Dong, Xinbo ; Yu, Chengxing ; Yan, Yonghong ; Hu, Huaiming ; Xue, Ganglin

Inorganic Chemistry Communications, June 2015, Vol.56, pp.13-16 [Peer Reviewed Journal]

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  • Title:
    A sandwich-type tungstoantimonate containing trinuclear nickel ions modified with aminopyrazine ligand
  • Author: Wu, Lizhou ; Liu, Bin ; Dong, Xinbo ; Yu, Chengxing ; Yan, Yonghong ; Hu, Huaiming ; Xue, Ganglin
  • Description: A new organic–inorganic hybrid tungstoantimonate, Na [Ni (apy)(H O) ] [(Ni(Hapy)) (Na(H O) ) (SbW O ) ]·23H O (1) (apy = aminopyrazine), has been synthesized and fully characterized. Single crystal X-ray diffraction analysis indicates that the polyanion [(Ni(Hapy)) (Na(H O) ) (SbW O ) ] displays a sandwich-type dimeric structure in which the Ni ions in the central belt are modified by aminopyrazine ligands. The contrast experiment analyses show that the existence of organic amine ligand is a key role to the formation of the stable Hervé-type tungstoantimonate containing trinuclear nickel(II) ions, which crystallized with dinuclear nickel complex constructed from an aminopyrazine bridging two [Ni(H O) ] ions as part of counterions. The variable-temperature magnetic measurements of 1 exhibit the weak antiferromagnetic exchange interactions among Ni(II) clusters in 1. A new Hervé-type tungstoantimonate containing trinuclear nickel ions modified with aminopyrazine ligand to substitute coordinated water molecules attached to nickel ions has been synthesized and fully characterized.
  • Is Part Of: Inorganic Chemistry Communications, June 2015, Vol.56, pp.13-16
  • Identifier: ISSN: 1387-7003 ; E-ISSN: 1879-0259 ; DOI: 10.1016/j.inoche.2015.03.041
  • Subjects: Polyoxometalate ; Tungstoantimonate ; Nickel ; Aminopyrazine ; Magnetism ; Chemistry
  • Language: English
  • Source: ScienceDirect Journals (Elsevier)

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