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Issue 12, 2008
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Disruption of a robust supramolecular heterosynthon in achiral benzylammonium and (pyridylmethyl)ammonium m-iodobenzoate salts

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Abstract

The X-ray crystal structures of five achiral ammonium carboxylate salts are presented: (benzylammonium)·(m-iodobenzoate) (1), ((2-pyridylmethyl)ammonium)·(m-iodobenzoate) (2), ((3-pyridylmethyl)ammonium)·(m-iodobenzoate) (3), (4-pyridylmethyl)ammonium)·(m-iodobenzoate) (4) and (4-pyridylmethyl)ammonium)·(m-iodobenzoate)·(m-iodobenzoic acid) (5). The absence of a chiral ammonium group on the cation disrupts the formation of the well-established type II robust supramolecular heterosynthon in compunds 1 and 3. All five salts have I⋯I halogen bonds and salts 1, 3 and 4 have additional C–H⋯π hydrogen bonds.

Graphical abstract: Disruption of a robust supramolecular heterosynthon in achiral benzylammonium and (pyridylmethyl)ammonium m-iodobenzoate salts

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Publication details

The article was received on 09 Jul 2008, accepted on 22 Jul 2008 and first published on 08 Aug 2008


Article type: Paper
DOI: 10.1039/B811789F
CrystEngComm, 2008,10, 1750-1757

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    Disruption of a robust supramolecular heterosynthon in achiral benzylammonium and (pyridylmethyl)ammonium m-iodobenzoate salts

    A. Lemmerer, S. A. Bourne and M. A. Fernandes, CrystEngComm, 2008, 10, 1750
    DOI: 10.1039/B811789F

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