Darstellung und Kristallstruktur von ZrP2S6 und ThP2S6
作者： A. Simon , K. Peters , E.-M. Peters , H. Hahn
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摘要: Die Verbindungen ZrP2S6 (1) und ThP2S6 (II) werden aus den Elementen bei 750–800°C in Einkristallen erhalten. Sie sind isotyp (P42/m, Z = 2; I: a 668,2, c 948,9 pm; II: 688,0, 990,3 pm) als M4+(P2S6)4− zu formulieren. Das Thiohypodiphosphatanion besitzt ideal gestaffelte Konformation; das Koordinationspolyeder S-Atomen um Kation ist (nahezu) ein 42m Dodekaeder, dessen geometrische Details der elektrostatisch gunstigsten Liganden-anordnung engen Grenzen entsprechen. Preparation and Crystal Structure of ThP2S6 The compounds (I) are synthesized from the elements at 750–800°C. They isotypic 668.2, 948.9 688.0, 990.3 to be described as M4+(P2S6)4−. The thiohypodiphosphate anion has staggered conformation. cation is coordinated by (slightly deformed) dodecahedron S atoms. geometrical details correspond most favourable ligand distribution.
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