ChemInform Abstract The novel title compound is prepared by solid-phase reaction at 800 rc C in evacuated quartz ampoules (1.33 Pa) starting from Yb(PO3)3 and Yb2S3. It belongs to the space group I 41/acd with Z=16. The structure is characterized by slightly distorted PS4 tetrahedra. The Yb cations are distributed around them that way that the metal adopts an eightfold coordination to sulfur. The YbS8 polyhedra are connected by sharing edges and corners.
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