Supramolecular trap for a transient corannulene trianion.

Supramolecular trap for a transient corannulene trianion.
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DOI:
10.1039/c5sc04385a
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发表时间:
2016-03-01
期刊:
影响因子:
8.4
通讯作者:
Petrukhina MA
Petrukhina MA
中科院分区:
化学1区
文献类型:
--
作者:
Zabula AV;Spisak SN;Filatov AS;Rogachev AY;Clérac R;Petrukhina MA

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首次通过X-射线衍射表征了三氢吡喃还原的corannulene(C20 H10)的结构,揭示了其与大铯离子形成新型超分子组装体[Cs+//(C20 H103-)/4Cs+/(C20 H103-)//Cs+]的能力。完成了corannulene(C20 H10)的瞬时三重还原态的第一个结构表征。X射线晶体学研究表明,金属铯还原corannulene生成的C20 H10 stec 3-三阴离子形成了一种新型的超分子组装体[Cs+//(C20 H103-)/4Cs+/(C20 H103-)//Cs+].在该产品中,两个三价的corannulene甲板封装了一个矩形的四个铯离子与外部凹碗腔被填充由一个铯离子。通过深入的理论计算增强了结构研究,以深入了解这种独特的有机金属自组装的几何特征和电子结构。
The first X-ray structural characterization of the triply-reduced corannulene (C20H10) reveals its ability to form a novel type of supramolecular assembly with large cesium ions, [Cs+//(C20H103–)/4Cs+/(C20H103–)//Cs+]. The first structural characterization of the transient triply-reduced state of corannulene (C20H10) is accomplished. The X-ray crystallographic study reveals that the C20H10˙3– trianions, generated by corannulene reduction with metallic cesium, form a novel type of supramolecular sandwich-type assembly, [Cs+//(C20H103–)/4Cs+/(C20H103–)//Cs+]. In the product, two triply-charged corannulene decks encapsulate a rectangle of four cesium ions with the external concave bowl cavities being filled by one cesium ion each. The structural investigation is augmented by in-depth theoretical calculations to provide insights into the geometrical features and electronic structure of this unique organometallic self-assembly.
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