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Issue 20, 2012
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The quest for a molecular capsule assembled via halogen bonds

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Abstract

A halogen-bonded capsule is obtained via directed assembly of a rigid tetra(3-pyridyl) cavitand and a flexible tetra(4-iodotetrafluorophenyl)calix[4]arene. The pyridyl nitrogen atoms from one cavitand molecule interact with the iodine atoms of a single calixarene molecule through short and directional I⋯N halogen bonds. The flexibility of the ethylenedioxy moieties on the calixarene platform results in positional flexibility of the iodotetrafluorobenzene sites which, coupled with a supramolecular chelating effect, allow for an effective partner-induced geometric fitting between four nitrogen atoms on the cavitand and four iodine atoms on the calixarene.

Graphical abstract: The quest for a molecular capsule assembled via halogen bonds

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Publication details

The article was received on 16 Jul 2012, accepted on 23 Jul 2012 and first published on 24 Jul 2012


Article type: Communication
DOI: 10.1039/C2CE26173A
Citation: CrystEngComm, 2012,14, 6366-6368

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    The quest for a molecular capsule assembled via halogen bonds

    C. B. Aakeröy, A. Rajbanshi, P. Metrangolo, G. Resnati, M. F. Parisi, J. Desper and T. Pilati, CrystEngComm, 2012, 14, 6366
    DOI: 10.1039/C2CE26173A

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