Citation: Jing Ping WANG, Xiao Di DU, Xian Ying DUAN, Jing Yang NIU. Synthesis and Crystal Structure of an Organic-inorganic Complex [Hg(DMSO)₂(H₂O)]₂ [GeW₁₂O₄₀]·DMSO·H₂O[J]. Chinese Chemical Letters, ;2006, 17(8): 1081-1084. shu

Synthesis and Crystal Structure of an Organic-inorganic Complex [Hg(DMSO)₂(H₂O)]₂ [GeW₁₂O₄₀]·DMSO·H₂O

Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001

Received Date: 30 December 2005

Fund Project: We gratefully acknowledge financial support from Specialized Research Fund for the Doctoral Program of Higher Education (No.20040475001), Henan Innovation Project for University Prominent Research Talents and Program for New Century Excellent Talents in University of Henan Province (No.2005HANCET-02).

An organic-inorganic mercury coordination compound [Hg(DMSO)₂(H₂O)]₂ [GeW₁₂O₄₀]·DMSO·H₂O(DMSO=dimethyl sulfoxide) has been synthesized and characterized by IR, UV spectra, elemental analysis, TG-DTA and X-ray single-crystal diffraction. Structural analysis revealed that in the title compound, the mercury is three-coordinated to show the distorted trigonal cone geometry, and depending on the electrostatic interaction to connect the polyanion [α-GeW₁₂O₄₀]^4-. TG-DTA study manifests the decomposition temperature of the polyanion framework in the title compound is 513.5℃, which is much higher than that of the anion framework. It means that the formation of the organic-inorganic mercury coordination compound made the polyanion [α-GeW₁₂O₄₀]^4- to be more stable.
- Polyoxometalates,
- organic-inorganic complex,
- crystal structure
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