Abstract
Crystals of tricaesium scandium(III) hexachloride were obtained as a side product from the reaction of U, SnCl2, Sc, and S in a CsCl flux at 1073 K. Cs3ScCl6 crystallizes in the Rb3YCl6 structure type. The asymmetric unit comprises three Cs sites, two Sc sites, and six Cl sites, all of which have site symmetry 1, except for the two Sc sites that have site symmetries of 2 and -1, respectively. The structure is composed of isolated [ScCl6]3− octahedra that are surrounded by Cs+ cations. Two Cs+ cations have interactions with eight Cl− anions, while the third has interactions with ten Cl− anions.
Highlights
Crystals of tricaesium scandium(III) hexachloride were obtained as a side product from the reaction of U, SnCl2, Sc, and S in a CsCl flux at 1073 K
Cs3ScCl6 crystallizes in the Rb3YCl6 structure type
The structure is composed of isolated [ScCl6]3À octahedra that are surrounded by Cs+ cations
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (Sc–Cl) = 0.001 A; R factor = 0.023; wR factor = 0.050; data-to-parameter ratio = 68.6. Crystals of tricaesium scandium(III) hexachloride were obtained as a side product from the reaction of U, SnCl2, Sc, and S in a CsCl flux at 1073 K. Cs3ScCl6 crystallizes in the Rb3YCl6 structure type. The asymmetric unit comprises three Cs sites, two Sc sites, and six Cl sites, all of which have site symmetry 1, except for the two Sc sites that have site symmetries of 2 and 1, respectively. The structure is composed of isolated [ScCl6]3À octahedra that are surrounded by Cs+ cations. Two Cs+ cations have interactions with eight ClÀ anions, while the third has interactions with ten ClÀ anions
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