Tetracaesium Ytterbium Heptachloride with Partly Disordered Chloride Ions

Reuter, G.; Sebastian, J.; Frenzen, G.

doi:10.1107/S0108270196003137

Tetracaesium Ytterbium Heptachloride with Partly Disordered Chloride Ions

The structure of the title compound, Cs₄YbCl₇ consists of layers of composition Cs₂YbCl₆ containing isolated YbCl₆^3- octahedra, separated from each other by layers of composition Cs₂Cl containing sixfold disordered Cl ions. Similarities and differences with the cubic elpasolite structure and some of its distortional variants are discussed. The compound decomposes at ca 520 K into the neighbouring phases CsCl and Cs₃YbCl₆.

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Tetracaesium Ytterbium Heptachloride with Partly Disordered Chloride Ions

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	Crystallographic Information File (CIF) Contains datablock cs4yb
	Structure factor file (CIF format) Supplementary material