Synthesis and crystal structure of two polyoxometalate complexes NaH3SiW12O40•17H2O and [Mn(H2O)4]2(H2SiW12O40)2•13H2O

被引：0
|
作者：
Wu, Chang-Sheng [1 ]
Zhang, Bi-Song [1 ]
Qiu, Jian-Ping [1 ]
Li, Yun-Xia [1 ]
机构：
[1] Jinhua Polytech, Inst Mat Med, Coll Pharmaceut & Mat Engn, Jinhua, Peoples R China
来源：
JOURNAL OF COORDINATION CHEMISTRY | 2014年 / 67卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Polyoxometalate-based complex; Crystal structure; Manganese; Tungstosilicate; HYDROTHERMAL SYNTHESIS; MATERIALS SCIENCE; CATALYSIS; CHEMISTRY;
D O I：
10.1080/00958972.2014.973866
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two polyoxometalate-based complexes, NaH3SiW12O40 center dot 17H(2)O (1) and [Mn(H2O)(4)](2)(H2SiW12O40)(2)center dot 13H(2)O (2), have been hydrothermally synthesized and characterized by IR spectra, thermal analysis, and X-ray single crystal diffraction. The results reveal that the Na(I) in 1 is in a distorted octahedral geometry with two coordinated waters and four O-t from four alpha-[H3SiW12O40](-) anions, while each alpha-[H3SiW12O40](-) is connected with four Na(I) by four Ot. The Na-O and hydrogen bonds connect 1 into a 3-D framework. Complex 2 consists of two alpha-[H2SiW12O40](2-) anions and two [Mn(H2O)(4)](2+) cations, each Mn(II) is coordinated by four waters and two Ot from two alpha-[H2SiW12O40](2-) anions; the clusters are assembled into a 3-D supramolecular network by hydrogen bonds.
引用
收藏
页码：3454 / 3462
页数：9
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