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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 153-156 
    ISSN: 0044-2313
    Keywords: Tripotassium oxide chloride ; preparation ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal Structures of α- and β-K3OClThe orange coloured compound K3OCl has been prepared. It exists in a low temperature modification (α-K3OCl) and a high temperature modification (β-K3OCl). The transition temperature is 364 ± 5 K. The crystal structures were determined by x-ray diffraction. α-K3OCl crystallizes at room temperature in the orthorhombic space group Pbnm (Z = 4) with the cell parameters a = b = 723.9(2) pm and c = 1 027.7(2) pm in the anti-GdFeO3-structure type. The high temperature modification β-K3OCl crystallizes (Z = 1) in the cubic space group Pm3m in the β-Ag3SI-structure type with a = 516.2(2) pm (T = 393 K).
    Notes: Die orangefarbene Verbindung K3OCl wurde dargestellt. Sie tritt in einer Tieftemperaturmodifikation (α-K3OCl) und in einer Hochtemperaturmodifikation (β-K3OCl) auf. Die Umwandlungstemperatur beträgt 364 ± 5 K. Die Kristallstrukturen wurden durch Röntgenstrukturanalyse aufgeklärt. α-K3OCl kristallisiert bei Raumtemperatur in der orthorhombischen Raumgruppe Pbnm (Z = 4) mit den Gitterkonstanten a = b = 723,9(2) pm und c = 1 027,7(2) pm im anti-GdFeO3-Strukturtyp. Die Hochtemperaturmodifikation, β-K3OCl, kristallisiert mit Z = 1 in der kubischen Raumgruppe Pm3m im β-Ag3SI-Strukturtyp mit a = 516,2(2) pm (T = 393 K).
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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