The New Inorganic Ligands TeCl2 and TeBr2: Syntheses and Crystal Structures of Re6Te6Cl6(TeCl2)2 and [Re6Te8(TeBr2)6]Br2
Yuri V. MironovMichael A. PellJames A. Ibers
Abstract
TeBr2 and TeCl2, unstable molecules which have previously been characterized only in the gas phase, are present as ligands in the new cluster compounds Re6Te6Cl6(TeCl2)2 and [Re6Te8(TeBr2)6]Br2. In Re6Te6Cl6(TeCl2)2, the Re6 cluster core is inscribed in a cube constructed of six μ3-Te2- and two μ3-Cl- ligands. The Re3+ cations bonded to four μ3-Te2- anions are also ligated by neutral TeCl2 ligands. In [Re6Te8(TeBr2)6]2+, the Re6 cluster core is inscribed in a cube constructed of eight μ3-Te2- ligands and each Re3+ cation is terminated by a neutral TeBr2 ligand.
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