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  • 1
    ISSN: 0044-2313
    Keywords: Tripotassium triantimonidostannate(II) ; anionic chains of six-membered rings ; crystal structure ; Zintl phase ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: K3[SnSb3], a Zintl Phase with ∞1[SnSb3]3- ChainsThe metallic lustrous air sensitive compound K3[SnSb3] was prepared from melts of mixtures of the elements. K3[SnSb3] crystallizes in the monoclinic system, group C2/m (No 12), Z = 2, with lattice constants a = 1768.6(2) pm, b = 428.1(1) pm. c = 604.5(1) pm, β = 95.72(5)°. In the anionic partial structure six-membered rings [Sn2Sb4] with chair conformation are connected via common edges to infinite chains ∞1[SnSb3]3-. The potassium cations separate the chains from each other.
    Notes: Die metallisch glänzende, sehr hydrolyseempfindliche Verbindung K3[SnSb3] wurde aus Schmelzreaktionen, ausgehend von Gemengen der Elemente erhalten. K3[SnSb3] kristallisiert monoklin in der Raumgruppe C2/m (Nr, 12), Z = 2, mit den Gitterkonstanten a = 1768,6(2) pm, b = 428,1(1) pm, c = 694,5(1) pm, β = 95,72(5)°. In der Anionenteilstruktur sind [Sn2Sb4]-Sechsringe in Sesselkonformation über zwei gegenüberliegende Kanten zu eindimensional unendlichen ∞1[SnSb3]3--Bändern verknüpft. Die Kaliumkationen separieren die Bänder voneinander.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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