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Issue 3, 2016
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Supramolecular trap for a transient corannulene trianion

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Abstract

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.

Graphical abstract: Supramolecular trap for a transient corannulene trianion

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Supplementary files

Article information


Submitted
16 Nov 2015
Accepted
10 Dec 2015
First published
17 Dec 2015

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2016,7, 1954-1961
Article type
Edge Article
Author version available

Supramolecular trap for a transient corannulene trianion

A. V. Zabula, S. N. Spisak, A. S. Filatov, A. Yu. Rogachev, R. Clérac and M. A. Petrukhina, Chem. Sci., 2016, 7, 1954
DOI: 10.1039/C5SC04385A

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