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首页> 外文期刊>Crystal growth & design >A new series of ZnII coordination polymer based metallogels derived from bis-pyridyl-bis-amide ligands: A crystal engineering approach
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A new series of ZnII coordination polymer based metallogels derived from bis-pyridyl-bis-amide ligands: A crystal engineering approach

机译：基于双吡啶基-双酰胺配体的新系列基于ZnII配位聚合物的金属元素：一种晶体工程方法

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摘要

On the basis of a recently demonstrated crystal engineering strategy, two hydrogen bond equipped bidentate ligands, namely, N,N′-bis-(3-pyridyl) isophthalamide L1 and N,N′-bis-(3-pyridyl)terephthalamide L2, have been exploited to generate a new series of ZnII-coordination polymer based metallogels. As many as 12 metallogels have been prepared by the reaction of these ligands with various ZnII halides under various conditions. The gels were characterized by rheology, scanning electron microscopy (SEM), and powder X-ray diffraction (PXRD). A structure-property correlation study based on the PXRD of the xerogels and single crystal X-ray diffraction (SXRD) data of some of the isolated single crystals of the reaction products clearly establishes the structures of the gel fibers in the xerogels and supports the crystal engineering based design strategy based on which metallogels are prepared.
机译：根据最近证明的晶体工程策略，配备了两个氢键的双齿配体，即N，N'-双-（3-吡啶基）对苯二甲酰胺L1和N，N'-双-（3-吡啶基）对苯二甲酰胺L2，已经开发出了一系列新的基于ZnII配位聚合物的金属元素。通过这些配体与各种ZnII卤化物在各种条件下的反应，已经制备了多达12个金属配位体。通过流变学，扫描电子显微镜（SEM）和粉末X射线衍射（PXRD）表征凝胶。基于干凝胶的PXRD和反应产物中某些分离的单晶的单晶X射线衍射（SXRD）数据进行的结构性质相关性研究清楚地确定了干凝胶中凝胶纤维的结构并支持该晶体基于工程的设计策略，根据这些策略准备了成矿物质。

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