Acta Cryst. (2005). E61, o609-o611 [ doi:10.1107/S1600536805003818 ]
Abstract: The title complex, C7H4N2O6·C2H6OS, involves an intermolecular hydrogen-bond motif between the carboxyl and the sulfoxide groups. This motif has precedence in the Cambridge Structural Database, and is shown here to be more favourable than a possible carboxylic acid homodimer.
Online 12 February 2005
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