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Journal of Coordination Chemistry Volume 60, 2007 - Issue 9
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Original Articles

Synthesis and characterization of two new β-octamolybdate complexes [NH4][Y(DMF)5(H2O)3][Mo8O26]·2CH3CN and [NH4][Ce(DMF)7Mo8O26]

Cui-Hua Tian Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
,
Zhen-Gang Sun Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. ChinaCorrespondence[email protected]
,
Lan-Cui Zhang Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
,
Hai-Dong Liang Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
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Zai-Ming Zhu Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
,
Wan-Sheng You Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
&
Yuan-Peng Gu Faculty of Chemistry and Chemical Engineering, Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian 116029, P. R. China
 show all
Pages 985-993 | Received 19 Jun 2006, Accepted 18 Jul 2006, Published online: 11 May 2007
 
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Abstract

Two new β-octamolybdate supported metal complexes [NH4][Y(DMF)5(H2O)3][Mo8O26] · 2CH3CN (1) and [NH4][Ce(DMF)7Mo8O26] (2) have been synthesized in mixed water and acetonitrile by reaction of (NH4)6Mo7O24 · 4H2O with MCl3 (M3+ = Y for 1 and Ce for 2), DMF (DMF = N,N-Dimethylformamide) and characterized by elemental analysis, IR spectra, TG analysis, and single-crystal X-ray structural analysis. The single crystal X-ray diffraction analysis reveals that compound 1 consists of discrete [NH4][Y(DMF)5(H2O)3][Mo8O26] · 2CH3CN, constructed from β-octamolybdate subunits [Mo8O26]4−, ammonium cations, [Y(DMF)5(H2O)3]3+ cations and two acetonitrile molecules of crystallization. Y3+ is eight-coordinate with five DMF ligands and three water molecules. Compound 2 is built up from DMF coordinated CeIII fragment and β-octamolybdate units joined together via two terminal oxygen atoms of two molybdenum atoms.

Acknowledgments

This work is supported by the Natural Science Foundation of Liaoning Province of China (Grant No. 20032104) and Education Department of Liaoning Province of China (Grant No. 05L214).

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