Caesium Pentafluoroterbate, CsTbF₅

The structure of caesium terbium(IV) pentafluoride has been determined by single-crystal X-ray methods. CsTbF₅ has a layered structure. The layers, which stack along the [100] direction, are built from edge- and corner-sharing (TbF₈)^4- dodecahedra and are held together by 11-coordinated Cs⁺ ions. CsTbF₅ is closely related to TlZrF₅.

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