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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 535 (1986), S. 179-185 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Alkali Selenoarsenates(III) KAsSe3 · H2O, RbAsSe3 · 1/2 H2O, and CsAsSe3 · 1/2 H2OThe alkali selenoarsenates(III) KAsSe3 · H2O, RbAsSe3 · 1/2 H2O, and CsAsSe3 · 1/2 H2O have been prepared by hydrothermal reaction of the respective alkali carbonate with As2Se3 at a temperature of 135°C. Their X-ray structural analyses demonstrated that the compounds contain polyselenoarsenate(III) anions (AsSe3-)n, in wich the basic units are ψ-AsSe3 tetrahedra, which are linked together through Se—Se bonds into infinite zweier single chains. The Rb and Cs salts are isotypic.
    Notes: Die Alkaliselenoarsenate(III) KAsSe3 · H2O, RbAsSe3 · 1/2 H2O und CsAsSe3 · 1/2 H2O wurden durch hydrothermale Reaktion des jeweiligen Alkalicarbonats mit As2Se3 bei einer Temperatur von 135°C dargestellt. Ihre Röntgenstrukturanalysen ergaben, daß die Verbindungen Polyselenoarsenat(III)-Anionen (AsSe3-)n beinhalten, in denen die Grundelemente ψ-AsSe3-Tetraeder sind, die miteinander über Se—Se-Bindungen zu unendlichen Zweier-Einfachketten verknüpft sind. Die Rb- und Cs-Salze sind isotyp.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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