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metal-organic compounds
Tetrahydrofuran (thf) adducts of a chlorobismuthate(III) anion and of antimony triiodide have been prepared and characterized by X-ray crystallography. The former compound, bis[tetrakis(tetrahydrofuran-O)lithium(I)] di-μ-chloro-bis[trichloro(tetrahydrofuran-O)bismuthate(III)], [Li(C4H8O)4]2[Bi2Cl8(C4H8O)], contains centrosymmetric edge-shared bi-octahedral dianions with the formula [Bi2Cl6(thf)2(μ-Cl)2]2− in which the thf ligands occupy terminal sites at 90° to the Bi2(μ-Cl)2 plane; the cations are [Li(thf)4]+. The latter structure, triiodo(tetrahydrofuran-O)antimony(III), [SbI3(C4H8O)], comprises a polymeric arrangement of SbI3(thf) units, the antimony centres bridged alternately by pairs of I atoms and pairs of thf ligands.
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