3,5-Dichloro-4-cyanobenzoic acid: two polymorphs and the 0.25-hydrate, exhibiting two-dimensional ribbons and nets involving hydrogen-bonding and intermolecular Cl...N interactions.
Britton
Doyle
D
Department of Chemistry, University of Minnesota, Minneapolis, MN 55455-0431, USA. britton@chem.umn.edu