Issue 7, 2010
From the journal:

Dalton Transactions

Preparation of polyoxometalates in ionic liquids by ionothermal synthesis†

Shiwei Lin,ab   Wenli Liu,a   Yangguang Li,*a   Qiong Wu,a   Enbo Wang*a  and  Zhiming Zhanga  

* Corresponding authors

a Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin 130024, P. R. China
E-mail: wangenbo@public.cc.jl.cn, wangeb889@nenu.edu.cn
Fax: +86-431-85098768
Tel: +86-431-85099667

b Faculty of Chemistry, Changchun Normal University, Changchun, Jilin 130032, P. R. China

Abstract

Ionothermal synthesis was applied to the formation of polyoxometalates (POMs) and two new compounds [EMIM]8Na9[WFe9(µ3-O)3(µ2-OH)6O4H2O(SiW9O34)3]·7H2O (1, [EMIM]8Na9[1a]·7H2O, EMIM = 1-ethyl-3-methylimidazolium) and [EMIM]4[SiMo12O40]·12H2O (2), have been successfully produced in the ionic liquid (IL) [EMIM]4Br. They were characterized by single-crystal X-ray diffraction, elemental analysis, UV-vis, IR and TG analysis. Furthermore, the magnetic properties of 1 and the electrochemical properties of 2 were studied. 1 is a high-nuclear transition metal substituted polyoxometalate (TMSP) and the unprecedented polyoxoanion of 1a is composed of three [α-SiW9O34]10− Keggin moieties connected by a {WFe9} cluster core. 2 is a heteropolyoxometalate with the polyoxoanion of α-Keggin type.

Graphical abstract: Preparation of polyoxometalates in ionic liquids by ionothermal synthesis

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Article information

DOI
https://doi.org/10.1039/B905079E
Article type
Paper
Submitted
12 Mar 2009
Accepted
05 Oct 2009
First published
21 Dec 2009

Dalton Trans., 2010,39, 1740-1744

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Preparation of polyoxometalates in ionic liquids by ionothermal synthesis

S. Lin, W. Liu, Y. Li, Q. Wu, E. Wang and Z. Zhang, Dalton Trans., 2010, 39, 1740 DOI: 10.1039/B905079E

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