Acta Crystallographica Section C

Crystal Structure Communications

Volume 60, Part 8 (August 2004)

organic compounds

ta1460 scheme

Acta Cryst. (2004). C60, o600-o603 [ doi:10.1107/S0108270104015057 ]

Hydrogen bonding in proton-transfer compounds of 8-quinolinol (oxine) with aromatic sulfonic acids

G. Smith, U. D. Wermuth and P. C. Healy

Abstract: The crystal structures of the proton-transfer compounds of 8-quinolinol (oxine) with the aromatic sulfonic acids 2-aminobenzenesulfonic acid (orthanilic acid) and 8-hydroxy-7-iodoquinoline-5-sulfonic acid (ferron) have been determined. In both 8-hydroxyquinolinium 2-aminobenzenesulfonate, C₉H₈NO⁺·C₆H₆NO₃S^-, (I), and 8-hydroxyquinolinium 8-hydroxy-7-iodoquinoline-5-sulfonate sesquihydrate, C₉H₈NO⁺·C₉H₅INO₄S^-·1.5H₂O, (II), extensive hydrogen-bonding interactions, together with significant cation-cation [in (I)] and cation-anion [in (II)] [pi] - [pi] stacking associations, give rise to layered polymer structures.

Formula: C₉H₈NO⁺·C₆H₆NO₃S^- and C₉H₈NO⁺·C₉H₅INO₄S^-·1.5H₂O


	Structure factor file (CIF format) (93.6 kbytes) Contains datablock I

	Structure factor file (CIF format) (134.2 kbytes) Contains datablock II

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