Abstract
The title compound, C16H12NOSSe+·HSO4 −, was obtained from a mixture of 3-(4-methoxyphenyl)[1,3]selenazolo[2,3-b][1,3]benzothiazol-4-ium chloride and potassium hydrogen sulfate. In the cation, the benzene ring is twisted by 71.62 (7)° from the tricycle mean plane. In the crystal, O—H⋯O hydrogen bonds link the anions into chains along [100]. The anions in adjacent chains are linked via weak C—H⋯O hydrogen bonds. The crystal packing exhibits short intermolecular contacts between the chalcogen unit and the O atoms: Se⋯O(anion) 2.713 (3), Se⋯O(cation) 2.987 (3) and S⋯O(anion) 2.958 (3) Å.
Highlights
The title compound, C16H12NOSSe+HSO4, was obtained from a mixture of 3-(4-methoxyphenyl)[1,3]selenazolo[2,3-b][1,3]benzothiazol-4-ium chloride and potassium hydrogen sulfate
The anions in adjacent chains are linked via weak C—H O
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
The title compound, C16H12NOSSe+HSO4, was obtained from a mixture of 3-(4-methoxyphenyl)[1,3]selenazolo[2,3-b][1,3]benzothiazol-4-ium chloride and potassium hydrogen sulfate. H O hydrogen bonds link the anions into chains along [100]. The anions in adjacent chains are linked via weak C—H O hydrogen bonds. The crystal packing exhibits short intermolecular contacts between the chalcogen unit and the O atoms: Se O(anion) 2.713 (3), Se O(cation) 2.987 (3) and. For details of the synthesis and the biological properties of selenium- and nitrogen-containing heterocycles, see: Back (2009); Mlochowski & Giurg (2009); Mukherjee et al (2010); Selvakumar et al (2010). For the synthesis of the starting compound, 3-(4-methoxyphenyl)[1,3]selenazolo[2,3-b][1,3]benzothiazol-4-ium chloride, see: Borisov et al (2012)
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