Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 7 (July 2007)

organic compounds

sf3040 scheme

Acta Cryst. (2007). C63, o405-o407 [ doi:10.1107/S0108270107025772 ]

Proton-transfer compounds of 8-hydroxy-7-iodoquinoline-5-sulfonic acid (ferron) with 4-chloroaniline and 4-bromoaniline

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

Abstract: The crystal structures of the proton-transfer compounds of ferron (8-hydroxy-7-iodoquinoline-5-sulfonic acid) with 4-chloroaniline and 4-bromoaniline, namely 4-chloroanilinium 8-hydroxy-7-iodoquinoline-5-sulfonate monohydrate, C₆H₇ClN⁺·C₉H₅INO₄S^-·H₂O, and 4-bromoanilinium 8-hydroxy-7-iodoquinoline-5-sulfonate monohydrate, C₆H₇BrN⁺·C₉H₅INO₄S^-·H₂O, have been determined. The compounds are isomorphous and comprise sheets of hydrogen-bonded cations, anions and water molecules which are extended into a three-dimensional framework structure through centrosymmetric R₂²(10) O-HN hydrogen-bonded ferron dimer interactions.

Formula: C₆H₇ClN⁺·C₉H₅INO₄S^-·H₂O and C₆H₇BrN⁺·C₉H₅INO₄S^-·H₂O


	Structure factor file (CIF format) (132.2 kbytes) [ doi:10.1107/S0108270107025772/sf3040Isup2.hkl ] Contains datablock I

	Structure factor file (CIF format) (134.9 kbytes) [ doi:10.1107/S0108270107025772/sf3040IIsup3.hkl ] Contains datablock II

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