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首页> 外文期刊>Crystal growth & design >An interpenetrating architecture based on the wells-dawson polyoxometalate and Ag_~I?Ag~I interactions
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An interpenetrating architecture based on the wells-dawson polyoxometalate and Ag_~I?Ag~I interactions

机译：基于Dawson-Dawson多金属氧酸盐和Ag_〜I？Ag〜I相互作用的互穿结构

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摘要

A new compound based on the Wells-Dawson polyoxometalate, Ag _7(bbi)_5(OH)(P_2W_(18)O_(62)) (bbi = 1,1′-(1,4-butanediyl)bis(imidazole)) (1), has been hydrothermally synthesized and characterized by the normal physical methods and single-crystal X-ray diffraction. Compound 1 represents the first interpenetrating framework based on the Wells-Dawson POMs. The Ag~I?Ag~I interactions are crucial in the formation of the two individual motifs: in the first interpenetrating motif, the supported {Ag_2}~(2+) dimers and the P_2W_(18) polyanions form an infinite inorganic chain, then the Ag~+ monomers and bbi ligands extend the chain to form a three-dimensional framework. The second motif is constructed by the Ag-bbi meso-helix chains which are stitched by the unsupported Ag7?Ag7 dimers to form a two-dimensional layer with huge loops. The electrochemical study exhibits that compound 1 could be used as electrocatalyst in the electrical reductions of bromate. In addition, compound 1 shows a photocatalytic action for degradation of RhB.
机译：一种基于Wells-Dawson多金属氧酸盐的新化合物Ag _7（bbi）_5（OH）（P_2W_（18）O_（62））（bbi = 1,1'-（1,4-butanediyl）bis（imidazole）） （1）已通过常规物理方法和单晶X射线衍射水热合成并表征。化合物1表示基于Wells-Dawson POM的第一个互穿框架。 Ag〜I？Ag〜I相互作用对于形成两个基序至关重要：在第一个互穿基序中，负载的{Ag_2}〜（2+）二聚体和P_2W_（18）聚阴离子形成无限的无机链，然后Ag〜+单体和bbi配体延伸链形成三维框架。第二个基序是由Ag-bbi介旋螺旋链构成的，这些链由不受支持的Ag7？Ag7二聚体缝合而成，形成一个带有巨大环的二维层。电化学研究表明，化合物1可用作溴酸盐电还原中的电催化剂。另外，化合物1显示出对RhB的降解的光催化作用。

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