Abstract
The structure of the title compound, C14H19N2+·C9H3Cl6O4−·H2O, consists of singly ionized 1,4,5,6,7,7-hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid anions and protonated 1,8-bis(dimethylamino)naphthalene cations. In the (8-dimethylamino-1-napthyl)dimethylammonium cation, a strong disordered intramolecular hydrogen bond is formed with N⋯N = 2.589 (3) Å. The geometry and occupancy obtained in the final restrained refinement suggest that the disordered hydrogen bond may be asymmetric. Water molecules link the anion dimers into infinite chains via hydrogen bonding.
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