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The title compound, {(C8H20N2)[PbBr4]}n, crystallizes as an inorganic–organic hybrid with alternating layers of diammonium cations and two-dimensional corner-sharing PbBr6 octa­hedra extending parallel to the bc plane, which are eclipsed relative to one another. Both PbBr6 octa­hedra and the organic cation exhibit \overline{1} symmetry. The cations inter­act via N—H...Br hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.

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The title compound, {(C8H20N2)[PbCl4]}n, crystallizes as an layered inorganic–organic hybrid perovskite-type structure. Corner-sharing PbCl6 octa­hedra extend parallel to the ac plane. Adjacent layers are staggered relative to one another, with diammonium cations separating these layers. The cations exhibit \overline{1} symmetry and inter­act with the inorganic sheets via N—H...Cl hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.

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The title compound, {(C8H20N2)[PbI4]}n, is an inorganic–organic hybrid. The structure is composed of alternate layers of two-dimensional corner-sharing PbI6 octa­hedra (\overline{1} symmetry) and 1,4-bis­(ammonio­meth­yl)cyclo­hexane cations (\overline{1} symmetry) extending parallel to the bc plane. The cations inter­act with the inorganic layer via N—H...I hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.
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