Hydrothermal synthesis, crystal structure and electrochemical properties of a novel 3D Dawson-type polyoxometalate supramolecular network

被引：0

作者：

Tian, LiHong ^{[1
]}

Liu, ShiZhong ^{[1
]}

Hu, NingHai ^{[2
]}

Jia, HengQing ^{[2
]}

机构：

[1] Hubei Univ, Sch Chem & Chem Engn, Wuhan 430062, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China

来源：

JOURNAL OF CHEMICAL RESEARCH | 2008年 / 11期

关键词：

Dawson-type polyoxometalate; supramolecular compound; hydrothermal synthesis; crystal structure; electrochemical behaviour;

D O I：

10.3184/030823408X371218

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel Dawson-type polyoxometalate supramolecular architecture of the formula [4,4'-H(2)bipy](2.5)center dot[4,4'-Hbipy]center dot[P2W18O62]center dot 6.25H(2)O (4,4'-bipy = 4,4'-bipyridine) has been hydrothermally synthesised and characterised by means of elemental analysis, IR, CV and X-ray single-crystal diffraction. X-ray crystallography indicates that the title compound consists of Dawson-type polyoxoaions [P2W18O62](6-), water molecules and 4,4'-bipy units. The polyoxoanion clusters together with 4,4'-bipy units and water molecules to construct the three-dimensional supramolecular network through hydrogen bonds. The crystal structure analyses reveal that water molecules and 4,4'-bipy units play the important role on the packing arrangements of crystals. Cyclic voltammetry shows that the title compound exhibits three chemically reversible steps

引用

页码：626 / 629

页数：4

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