Pseudopolyrotaxanes of Cucurbit[6]uril: A Three-Dimensional Network Self-assembled by ClO4-(H2O)2 Water Clusters

被引：9
作者：
Sun Xuzhuo [1 ,2 ]
Li Bo [2 ]
Cao Jin [1 ]
Chen Jing [2 ]
Wang Ning [2 ]
Wan Dongjin [2 ]
Zhang Haibo [1 ]
Zhou Xiaohai [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China
[2] Henan Univ Technol, Coll Chem & Chem Engn, Zhengzhou 450001, Henan, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2012年 / 30卷 / 04期
基金：
中国国家自然科学基金;
关键词：
cucurbituril; pseudopolyrotaxane; water clusters; self-assemble; hydrogen bonds; ION COMPLEXED CUCURBITURIL; HOST-GUEST COMPLEX; SUPRAMOLECULAR ASSEMBLIES; ORGANIC-MOLECULES; METAL-ION; CRYSTAL-STRUCTURES; (H2O)(4) CLUSTER; ANION CLUSTERS; BINDING; POLYROTAXANES;
D O I：
10.1002/cjoc.201100315
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A pseudorotaxane of cucurbit[6]uril (CB[6]) with guest molecule N,N'-hexamethylenebis (pyrazinyl perchlorate) (BPHP) was synthesized and characterized by 1H NMR spectra, IR, single crystal X-ray diffraction analysis and thermogravimetric analysis. The structure of the pseudorotaxane (CB[6]center dot BPHP) is stabilized by host-guest hydrogen bonds. Self-assembly of the pseudorotaxane produces infinite one-dimensional and two-dimensional networks with intermolecular hydrogen bonds. In the molecular packing of the CB[6]center dot BPHP, ClO4-(H2O)2 water clusters serve as bridges to associate these pseudorotaxanes and form three-dimensional networked pseudopolyrotaxane.
引用
收藏
页码：941 / 946
页数：6
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