Citation: Jun Wei ZHAO, Jing Ping WANG, Jing Yang NIU. Synthesis and Crystal Structure of a Novel 1D Chain-like Organic Inorganic Hybrid Rare Earth Derivative of Polyoxometalate: H_0.5[Sm(H₂O)₆]_0.25[Sm(H₂O)₅]_0.25{[Sm(H₂O)₇][Sm(H₂O)₂-(DMSO)] [SiW₁₁O₃₉]}·4.5H₂O[J]. Chinese Chemical Letters, ;2005, 16(12): 1655-1658. shu

Synthesis and Crystal Structure of a Novel 1D Chain-like Organic Inorganic Hybrid Rare Earth Derivative of Polyoxometalate: H_0.5[Sm(H₂O)₆]_0.25[Sm(H₂O)₅]_0.25{[Sm(H₂O)₇][Sm(H₂O)₂-(DMSO)] [SiW₁₁O₃₉]}·4.5H₂O

School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001

Received Date: 11 April 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 the Foundation of Educational Department of Henan Province (No.0524480020).

A 1D chain-like organic-inorganic hybrid rare earth derivative of polyoxometalate H_0.5[Sm(H₂O)₆]_0.25[Sm(H₂O)₅]_0.25{[Sm(H₂O)₂(DMSO)][SiW₁₁O₃₉]}·4.5H₂O has been firstly synthesized by reaction of α-K₈SiW₁₁O₃₉·13H₂O,HClO₄, Sm₂O₃ with dimethyl sulfoxide (DMSO) and characterized by elemental analysis, IR spectra and single crystal X-ray diffraction.The neighboring polyanionic units {[Sm(H₂O)₇][Sm(H₂O)₂(DMSO)][SiW₁₁O₃₉]}_2- are bridged together to a 1D chain structure by means of [Sm(H₂O)₂(DMSO)]³⁺ ion.
- Silicotungstic acid,
- polyoxometalate,
- mono-vacant Keggin structure,
- rare earth ions
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