Hydrothermal Synthesis and Crystal Structure of Cluster Compound {[Ni(enMe)2][SiW12O40]}[Ni(enMe)2(H2O)2]2·3H2O

Chem. J. Chinese Universities

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Hydrothermal Synthesis and Crystal Structure of Cluster Compound {[Ni(enMe)₂][SiW₁₂O₄₀]}[Ni(enMe)₂(H₂O)₂]₂·3H₂O

YANG Xiao-Gang^1,2, LIU Zhi³, YU Qing^1,2, WANG Ben⁴, HOU Bao-Rong¹*

1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049;
3. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042;
4. College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042

Received:2007-05-18 Revised:1900-01-01 Online:2008-01-10 Published:2008-01-10
Contact: HOU Bao-Rong

Abstract

Abstract: The novel One-dimensional chain structure of the title cluster compound was synthesized and characterized by elemental analysis, IR spectra, TGA and X-ray single-crystal diffraction. The title cluster compound crystallized in a monoclinic system with space group C2/c, a=1.2656 nm, b=2.20656(4) nm, c=2.26763(4) nm, β= 92.078°, V=6.32852(16) nm³, Z=4, D_c= 3.801 g/cm³, μ=2.271 mm^-1, F(000)=6512, R₁=0.0549, wR₂=0.1087. The structure building block of the structure is the polyanion [SiW₁₂O₄₀]^6- with α-Keggin structure. The clusters were linked together with one-dimensional infinite chain through [Ni(enMe)₂]²⁺ cations. The [Ni(enMe)₂(H₂O)₂]²⁺ cations and water molecules were filled in the structure. The cluster compound was expanded to three-dimensional framework by hydrogen bond interactions among molecules.

Key words: Hydrothermal synthesis, Crystal structure, Polyoxometalate cluster

CLC Number:

O641

TrendMD:

YANG Xiao-Gang^1,2, LIU Zhi³, YU Qing^1,2, WANG Ben⁴, HOU Bao-Rong¹*. Hydrothermal Synthesis and Crystal Structure of Cluster Compound {[Ni(enMe)₂][SiW₁₂O₄₀]}[Ni(enMe)₂(H₂O)₂]₂·3H₂O[J]. Chem. J. Chinese Universities, doi: .

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Hydrothermal Synthesis and Crystal Structure of Cluster Compound {[Ni(enMe)₂][SiW₁₂O₄₀]}[Ni(enMe)₂(H₂O)₂]₂·3H₂O

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