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metal-organic compounds
Diiodotetrakis[tris(dimethylamino)phosphine oxide-O]bismuth(III) Pentaiodide, [BiI2{OP(NMe2)3}4][I5]
The title compound, [BiI2(C6H18N3OP)4][I5], contains the pseudo-octahedral BiIII cation [BiI2{OP(NMe2)3}4]+, which has crystallographic symmetry, and trans iodide ligands. The central iodine atom of the disordered [I5]- anion is also situated on a site of symmetry, and the atoms of this anion form an infinite three-dimensional network, resulting in a `cage' type structure. The cations are situated within the `cage' cavities.