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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1462-1464 
    ISSN: 0044-2313
    Keywords: Cesium Acetate ; Synthesis ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure of Cesium Acetate, Cs(CH3COO).The crystal structure of cesium acetate, Cs(CH3COO), was determined from single crystal fourcirclediffractometer data: hexagonal crystal system, P6/m (No. 175), Z = 6, a = 1 488.0(2), c = 397.65(5) pm, Vm = 76.54(2) cm3/mol, R = 0.045, Rw = 0.030. The structure consists of flat layers of acetate anions parallel (001) that are separated by layers of cesium cations. There is a close relationship with the CaF2 type according to CsO2(CCH3): each cesium cation has eight oxygen atoms as nearest neighbours. They form a heavily distorted cube with trapezoidal basal faces. In contrast to CaF2, these polyhedra are linked via three faces and two edges to a three-dimensional network.
    Notes: Die Kristallstruktur von wasserfreiem Caesiumacetat, Cs(CH3COO), wurde anhand von Vierkreisdiffraktometerdaten bestimmt: hexagonales Kristallsystem, P6/m (Nr. 175), Z = 6, a = 1 488,0(2), c = 397,65(5) pm, Vm = 76,54(2) cm3/mol, R = 0,045, Rw = 0,030. Die Struktur besteht aus ebenen Schichten von Acetationen parallel (001), die durch Caesium-Schichten separiert sind. Es besteht eine enge Verwandtschaft zum CaF2-Typ gemäß CsO2(CCH3): die Cs+-Ionen sind von 8 Sauerstoffatomen in Form eines stark verzerrten Würfels mit trapezoiden Grundflächen umgeben. Im Unterschied zu CaF2 sind die Würfel jedoch nur über drei gemeinsame Flächen und zwei Kanten zu einem dreidimensionalen Netzwerk verknüpft.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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