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  • Layered structures in proton-transfer compounds of 5-sulfosalicylic acid with the aromatic polyamines 2,6-diaminopyridine and 1,4-phenylenediamine.

    Author(s)
    Smith, G
    Wermuth, UD
    Healy, PC
    Griffith University Author(s)
    Healy, Peter C.
    Year published
    2005
    Metadata
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    Abstract
    The crystal structures of two proton-transfer compounds of 3-carboxy-4-hydroxybenzenesulfonic acid (5-sulfosalicylic acid) with the aromatic polyamines 2,6-diaminopyridine [namely 2,6-diaminopyridinium 3-carboxy-4-hydroxybenzenesulfonate monohydrate, C5H8N3+烷H5O6S-爲O, (I)] and 1,4-phenylenediamine [namely 1,4-phenylenediaminium 3-carboxylato-4-hydroxybenzenesulfonate, C6H10N22+烷H4O6S2-, (II)] have been determined. Both compounds feature extensively hydrogen-bonded three-dimensional layered polymer structures having significant interlayer - interactions between the cation and anion species. In (I), the pyridine N atom of the ...
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    The crystal structures of two proton-transfer compounds of 3-carboxy-4-hydroxybenzenesulfonic acid (5-sulfosalicylic acid) with the aromatic polyamines 2,6-diaminopyridine [namely 2,6-diaminopyridinium 3-carboxy-4-hydroxybenzenesulfonate monohydrate, C5H8N3+烷H5O6S-爲O, (I)] and 1,4-phenylenediamine [namely 1,4-phenylenediaminium 3-carboxylato-4-hydroxybenzenesulfonate, C6H10N22+烷H4O6S2-, (II)] have been determined. Both compounds feature extensively hydrogen-bonded three-dimensional layered polymer structures having significant interlayer - interactions between the cation and anion species. In (I), the pyridine N atom of the Lewis base is protonated and forms a direct hydrogen-bonding interaction with the water molecule, which together with the two amine groups of the cation and the carboxylic acid group of the anion also give additional interactions with O-atom acceptors of the sulfonate group. In (II), a dianionic species results from deprotonation of both the sulfonic and the carboxylic acid groups, and all available O-atom acceptors interact with all dication donors, which lie about inversion centres. Formula: C5H8N3+烷H5O6S-爲O and C6H10N22+烷H4O6S2-
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    Journal Title
    Acta Crystallographica. Section C, Crystal Structure Communications
    Volume
    C61
    Issue
    9
    DOI
    https://doi.org/10.1107/S010827010502439X
    Subject
    Inorganic Chemistry
    Physical Chemistry (incl. Structural)
    Other Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/4971
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    • Journal articles

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