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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 598 (1991), S. 163-173 
    ISSN: 0044-2313
    Keywords: Rubidiumsesquioxide ; Rb4O6 ; preparation ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reinvestigation of Rubidiumsesquioxide, Rb4O6Rb4O6 was prepared as a pure substance by solid state reaction between Rb2O2 and RbO2; it proves to be thermodynamically stable. The suggested structure was confirmed and refined by X-ray powder and single crystal methods (I43d; a = 932,42(4) pm; Rb4(O2-)2(O22-); Z = 4). Rb4O6 melts at 461°C followed by exothermic decomposition. The fact that O2- and O22- cannot be distinguished is discussed.
    Notes: Rb4O6 wurde durch Festkörperreaktion zwischen Rb2O2 und RbO2 erstmals röntgenrein dargestellt; es ist thermodynamisch stabil. Der bestehende Strukturvorschlag konnte durch röntgenographische Pulver- und Einkristalluntersuchungen bestätigt und verfeinert werden (I43d; a = 932,42(4) pm, Rb4(O2-)2(O22-), Z = 4). Rb4O6 schmilzt bei 461°C mit anschließender exothermer Zersetzung. Das Problem der Ununterscheidbarkeit von O2- und O22- wird diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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