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首页> 外文期刊>Crystal growth & design >Solvent effects on the assembly of [Cu2I2]- or [Cu4I4]-based coordination polymers: Isolation, structures, and luminescent properties
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Solvent effects on the assembly of [Cu2I2]- or [Cu4I4]-based coordination polymers: Isolation, structures, and luminescent properties

机译：溶剂对基于[Cu2I2]或[Cu4I4]的配位聚合物组装的影响：隔离度，结构和发光性能

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摘要

Four [Cu2I2]- or [Cu4I4]-based coordination polymers, [CuI(bpp)](n) (1), {[Cu3I3(bpp)(3)]center dot 2aniline center dot MeCN)(n) (2), {[Cu2I2(bpp)center dot 2aniline)(n) (3), and [Cu4I4(bPP)(2)](n) (4), were prepared by solvothermal reactions of CuI or Cu-2(OH)(2)CO3 with 1,3-bis(4-pyridyl)propane (bpp) in different solvent systems. The preparation of 2 or 3 is involved in the in situ formation of aniline molecules and the reduction of Cu(II) to Cu(I). These compounds were characterized by elemental analysis, IR, and single crystal X-ray diffraction. Compound I consists Of [Cu2I2] dimeric cores that link the neighboring ones via bpp bridges to form a one-dimensional double-bridged polymeric chain. Compound 2 or 3 has a similar chain structure in which the shape and size of the [Cu2I2(bPP)(2)](2) cavities that are occupied by MeCN/aniline or aniline solvent molecules are different from those of 1. Compound 4 has an intriguing two-dimensional 4-fold interpenetrated network in which each cubanelike [Cu4I4] core acts as a rare "seesaw"- shaped four-connecting node to interconnect four other equivalent ones via bpp bridges. The results did provide interesting insights into solvent effects on the construction of cluster-based coordination polymers. In addition, the photoluminescent properties of 1-4 in the solid state at ambient temperature were also investigated.
机译：四种基于[Cu2I2]或[Cu4I4]的配位聚合物[CuI（bpp）]（n）（1），{[Cu3I3（bpp）（3）]中心点2苯胺中心点MeCN）（n）（2） ，{[Cu2I2（bpp）中心点2苯胺）（n）（3）和[Cu4I4（bPP）（2）]（n）（4）是通过CuI或Cu-2（OH）的溶剂热反应制备的。 2）在1,3,3-双（4-吡啶基）丙烷（bpp）中的二氧化碳在不同的溶剂系统中。 2或3的制备涉及苯胺分子的原位形成和Cu（II）还原为Cu（I）。这些化合物通过元素分析，IR和单晶X射线衍射进行表征。化合物I由[Cu2I2]二聚核组成，该二聚核通过bpp桥连接相邻的核，形成一维双桥聚合物链。化合物2或3具有类似的链结构，其中被MeCN /苯胺或苯胺溶剂分子占据的[Cu2I2（bPP）（2）]（2）腔的形状和大小与1的腔不同。化合物4具有一个有趣的二维4倍互穿网络，其中每个类似古巴的[Cu4I4]核都充当稀有的“跷跷板”形四连接节点，以通过bpp桥互连其他四个等效节点。结果确实提供了有趣的见解，以了解溶剂对基于簇的配位聚合物构建的影响。另外，还研究了在环境温度下固态的1-4的光致发光性质。

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