Assembly of two new polyoxometalate-templated supramolecular compounds by utilizing flexible 1,4-bis(pyrazol-1-ylmethyl)benzene ligand

被引：4

作者：

Zhao, Chunyan ^{[1
,2
]}

Ma, Huiyuan ^{[1
]}

Pang, Haijun ^{[1
]}

Li, Shaobin ^{[1
]}

Yu, Yan ^{[1
,2
]}

Yu, Tingting ^{[1
]}

Zhang, Zhuanfang ^{[1
,2
]}

机构：

[1] Harbin Univ Sci & Technol, Key Lab Green Chem Engn & Technol, Coll Heilongjiang Prov, Coll Chem & Environm Engn, Harbin, Peoples R China

[2] Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar, Peoples R China

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2014年 / 67卷 / 17期

关键词：

Keggin; Electrocatalytic properties; Crown-like macrocycle; Polyoxometalate template; METAL-ORGANIC FRAMEWORKS; HELICAL COORDINATION POLYMERS; CRYSTAL-STRUCTURES; ELECTROCHEMICAL PROPERTIES; BIS(IMIDAZOLE) LIGANDS; HYBRID COMPOUNDS; COMPLEXES; CHAINS; ANION; ACID;

D O I：

10.1080/00958972.2014.953492

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new polyoxometalate-templated supramolecular compounds, [Cu-4(I)(bpmb)(4)][(PMo11MoO40)-Mo-VI-O-V] (1) and [Cu-4(I)(bpmb)(4)SiW12O40] (2) (bpmb=1,4-bis(pyrazol-1-ylmethyl)benzene), have been synthesized under hydrothermal conditions and characterized by routine methods. Structural analysis shows that in 1, there exist crown-like [Cu-4(I)(bpmb)(4)] coordination macrocycles, and the Keggin polyanions [PMo (11MoO40)-Mo-VI-O-V](4-) (abbr. as PMo12), which direct the crown-like macrocycle to form a 3-D supramolecular framework. In 2, there exist unusual meso-helix chains, and these chains are mutually interlaced in a wave-trough pattern, but without intersection resulting in a multi-cavity layer, in which the [SiW12O40](4-) (abbr. as SiW12) clusters as guest molecules occupy the cavities of the layers. The distinct structural features of the two compounds suggest that Keggin polyanions should play a significant role in the process of assembly. Electrocatalytic properties of 1 and 2 were investigated.

引用

页码：2820 / 2829

页数：10

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