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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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Publication details

The article was received on 16 Nov 2015, accepted on 10 Dec 2015 and first published on 17 Dec 2015


Article type: Edge Article
DOI: 10.1039/C5SC04385A
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Citation: Chem. Sci., 2016,7, 1954-1961
  • Open access: Creative Commons BY license
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    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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