Supramolecuar motifs in s-block metal bound sulfonated monoazo dyes. Part 1 - Structural class controlled by cation type and modulated by sulfonate aryl-ring position

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Kennedy, A.R. and Kirkhouse, J.B.A. and McCarney, K.M. and Puissegur, O. and Smith, W.E. and Staunton, E. and Teat, S.J. and Cherryman, J.C. and James, R. (2004) Supramolecuar motifs in s-block metal bound sulfonated monoazo dyes. Part 1 - Structural class controlled by cation type and modulated by sulfonate aryl-ring position. Chemistry - A European Journal, 10 (18). pp. 4606-4615. ISSN 1521-3765 (http://dx.doi.org/10.1002/chem.200400375)

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Abstract

The solid-state structures of 43 Li, Na, K, Rb, Mg, Ca and Ba salts of para- and meta-sulfonated azo dyes have been examined and can be categorised into three structural classes. All form alternating organic and inorganic layers, however, the nature of the coordination network that forms these layers differs from class to class. The class of structure formed was found to be primarily governed by metal type, but can also be influenced by the nature and position of the organic substituents. Thus, for the para-sulfonated azo dyes, Mg compounds form solvent-separated ion-pair solids; Ca, Ba and Li compounds form simple coordination networks based on metal-sulfonate bonding; and Na, K and Rb compounds form more complex, higher dimensional coordination networks. Compounds of meta-sulfonated azo dyes follow a similar pattern, but here, Ca species may also form solvent-separated ion-pair solids. Significantly, this first attempt to classify such dyestuffs using the principles of supramolecular chemistry succeeds not only for the simple dyes used here as model compounds, but also for more complex molecules, similar to modern colourants.

ORCID iDs

Kennedy, A.R. ORCID logoORCID: https://orcid.org/0000-0003-3652-6015, Kirkhouse, J.B.A., McCarney, K.M., Puissegur, O., Smith, W.E., Staunton, E., Teat, S.J., Cherryman, J.C. and James, R.;
  • Item type:Article
    ID code:872
    Dates:
    Date
    Event
    29 July 2004
    Published
    Subjects:Science > Chemistry
    Department:Faculty of Science > Pure and Applied Chemistry
    Depositing user:Users 45 not found.
    Date deposited:27 Apr 2006
    Last modified:11 Nov 2024 08:27
    URI:https://strathprints.strath.ac.uk/id/eprint/872
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