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Acta Cryst. (2014). C70, 173-177  [ doi:10.1107/S2053229613034840 ]

Anion...[pi] inter­actions in copper(I) chloride and bromide coordination polymers bearing 1,4-bis(pyridazin-4-yl)benzene ligands

A. S. Degtyarenko and K. V. Domasevitch

Synopsis: The title chloride and bromide coordination polymers are isomorphous and the primary coordination motif consists of cuprohalogenide chains accommodating [mu]-pyridazine groups. The organic ligands are tetra­dentate and link the inorganic chains into corrugated layers. The packing is influenced by inter­layer anion...[pi] inter­actions.

Formula: [Cu2Cl2(C14H10N4)] and [Cu2Br2(C14H10N4)]

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