Structural characterization of two lanthanide complexes attached to [H2W12O40]6-

被引：4
|
作者：
Chen, Hongli [1 ,2 ]
Ding, Yan [1 ,3 ]
Wang, Enbo [1 ]
Xu, Xinxin [1 ]
Qi, Yanfei [1 ]
Chang, Song [1 ]
Li, Yangguang [1 ]
机构：
[1] NE Normal Univ, Dept Chem, Minist Educ, Key Lab Polyoxomet Sci, Changchun 130024, Peoples R China
[2] Chengde Normal Coll, Dept Chem, Chengde 067000, Peoples R China
[3] Jilin Business & Technol Coll, Dept Biol Engn, Changchun 130062, Peoples R China
来源：
TRANSITION METAL CHEMISTRY | 2008年 / 33卷 / 03期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1007/s11243-007-9047-6
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In this article, two compounds [H(2)bpy][Ln (DMF)(4)(H2O)(3)(Hbpy)][H2W12O40] (Ln = La,Ce; DMF = N,N-dimethylformamide, bpy = 4,4'-bipyridine) have been synthesized and characterized by single-crystal X-ray diffraction, IR spectra, and TG analysis. X-Ray analysis showed that the [Ln(DMF)(4)(H2O)(3)(Hbpy)](4+) unit is supported on the alpha-Keggin polyoxoanion [H2W12O40](6-) via the surface bridging oxygen atom. The [H(2)bpy][Ln(DMF)(4) (H2O)(3)(Hbpy)][H2W12O40] entity is further extended into 2D supramolecular networks with 1-D channels by hydrogen-bonding interactions, in which 4,4'-bipy ligands reside. To the best of our knowledge, these complexes represent the first examples of rare earth metal-organic complex-decorated alpha-metatungstate clusters. Furthermore, the electrochemical properties of these compounds have been studied via the method of bulk-modified carbon paste electrodes.
引用
收藏
页码：341 / 346
页数：6
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