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Journal of Coordination Chemistry Volume 61, 2008 - Issue 2
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Original Articles

A polymeric chain formed by bicapped pseudo-Keggin polyoxometalate and [Ni(en)2]2+ complexes: synthesis, structure and catalytic properties of {[H3PMo8V6O46][Ni(en)2]} · 2[Ni(en)2] · 5H2O

Shen Lin College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, ChinaCorrespondence[email protected]
,
Dan Wu College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, China
,
En Tang College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, China
,
Guiyang Yan College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, China
,
Mingxing Yang College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, China
&
Wei Xu College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, China
Pages 167-177 | Received 30 Jul 2006, Accepted 06 Mar 2007, Published online: 22 Sep 2010
 
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Abstract

A new compound {[H3PMo8V6O46][Ni(en)2]} · 2[Ni(en)2] · 5H2O with a polymeric chain structure was hydrothermally synthesized and characterized by single crystal X-ray diffraction, IR and TG. The molybdovanadophosphate cluster anion is a bicapped ‘pseudo-Keggin’ structure, in which two vanadium atoms are located at two ‘capping’ metal atom positions, another four vanadium atoms and eight molybdenum atoms are arranged as phosphorus-centered alternate layers of molybdenum and vanadium oxides. The title compound exhibits high catalytic activity for selective oxidation of benzyl alcohol to benzaldehyde. The influence of catalyst amount, the ratio, H2O2/C6H5CH2OH, reaction time and catalyst lifetime on the catalytic activity was studied.

Acknowledgements

This work was financially supported by the Natural Science Foundation of Fujian Province, China (No. E0510012), and the Natural Science Foundation of Education Department of Fujian Province Government, China (No. JA04167).

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