Ein Polyphosphid mit Rhenium-Clustern: Synthese und Kristallstruktur von Re6P13

A Polyphosphide with Rhenium Clusters: Synthesis and Crystal Structure of Re₆P₁₃ Microcrystalline Re₆P₁₃ was prepared by heating the elemental components in the presence of iodine. Single crystals were obtained by reaction of the components in molten tin. They are rhombohedral, R3 , with the hexagonal cell dimensions: a = 15.665(9), c= 8.320(2) Å, Z = 6. The structure was determined and refined from single-crystal data(R = 0.053). The Re atoms are coordinated by six P atoms in distorted octahedral configuration. Four edge-sharing octahedra are distorted in such a way that Re? Re bonds (2.76 to 2.94 Å) are formed. All P atoms are tetrahedrally coordinated by Re and P atoms. The P atoms form six-membered rings, four membered chains, and pairs. One P atom has only Re neighbors. The crystal structure of Re₆P₁₃ is discussed together with the structures of related compounds.