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Issue 13, 2011
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Dimensional caging of polyiodides: cation-templated synthesis using bipyridinium salts

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Abstract

The potential of bipyridinium derivatives in the cation templated synthesis of polyiodides has been explored by applying the strategy of size-matching between cations and anions. Bipyridinium cations 1–4, bearing benzyl and functionalized benzyl pendants at nitrogen atoms, are able to template the selective formation of I42 and I3 species. Thanks to the supramolecular space compartmentation induced by the benzyl pendants, the formation of I42−and I3 is independent of the stoichiometry adopted in the crystallization procedure. Bipyridinium cation 5, bearing methyl pendants, is unable to induce space compartmentation and different polyiodides are obtained depending on the stoichiometry used in the crystallization process as the cation–anion size-matching alone does not control the polyiodide formation.

Graphical abstract: Dimensional caging of polyiodides: cation-templated synthesis using bipyridinium salts

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Publication details

The article was received on 16 Nov 2010, accepted on 31 Mar 2011 and first published on 28 Apr 2011


Article type: Paper
DOI: 10.1039/C0CE00860E
CrystEngComm, 2011,13, 4411-4416

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    Dimensional caging of polyiodides: cation-templated synthesis using bipyridinium salts

    M. D. García, J. Martí-Rujas, P. Metrangolo, C. Peinador, T. Pilati, G. Resnati, G. Terraneo and M. Ursini, CrystEngComm, 2011, 13, 4411
    DOI: 10.1039/C0CE00860E

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