Crystal structure of a new hybrid anti­mony–halide-based compound for possible non-linear optical applications

The hybrid title compound, catena-poly[[[bis­(1,4-diazo­niabi­cyclo­[2.2.2]octa­ne) [tetra­achlorido­anti­monate(III)]-μ-chlorido-[tetra­chlorido­anti­monate(III)]-μ-chlorido]] monohydrate], {(C(6)H(14)N(2))(2)[Sb(2)Cl(10)]·H(2)O}(n), is self-assembled into alternating organic and inorganic layers parallel to the bc plane. The anionic inorganic layer consists of infinite zigzag chains of corner-sharing [SbCl(6)](3−) octa­hedra running along the b axis. The organic part is made up of 1,4-diazo­niabi­cyclo­[2.2.2]octane dications (dabcoH(2) (2+)). The water mol­ecules in the structure connect inorganic and organic layers. Hydrogen-bonding inter­actions between the ammonium groups, water mol­ecules and Cl atoms ensure the structure cohesion.