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  • 1
    ISSN: 0044-2313
    Keywords: Sr3GdRhO6 ; Rietveld refinement ; magnetic susceptibility ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Sr3GdRhO6 - die erste RhIII-Verbindung vom K4CdCl6-Strukturtyp: Synthese, Kristallstruktur und magnetische EigenschaftenSr3GdRhO6 wurde dargestellt und mittels Rietveld Verfeinerung von Röntgen-Pulverdaten (Raumgruppe R3c; Z = 6; a = 9,7840(5) Å; c = 11,4196(7) Å) charakterisiert. Diese Verbindung ist isostrukturell mit K4CdCl6 und die Struktur wird von unendlichen eindimensionalen Ketten von alternierend flächenverknüpften RhO6-Oktaedern und trigonalen Prismen von GdO6 aufgebaut. Die Strontium-Kationen sind in verzerrt-quadratisch-antiprismatischer Umgebung. Die Daten der magnetischen Suszeptibilität zeigen, daß Sr3GdRhO6 dem Curie'schen Gesetz gehorcht mit μ = 7,80 B.M. in Übereinstimmung mit der Oxidationsstufe +3 für Rhodium bzw. Gadolinium.
    Notes: The compound Sr3GdRhO6 has been synthesized and structurally characterized by Rietveld refinement of powder X-ray diffraction data. (space group R3c; Z = 6; a = 9.7840(5) Å; c = 11.4196(7) Å) This compound is isostructural with K4CdCl6. The structure consists of infinite one-dimensional chains of alternating face-shared RhO6 octahedra and GdO6 trigonal prisms. The strontium cations are located in a distorted square antiprismatic environment. Magnetic susceptibility data show that Sr3GdRhO6 obeys the Curie law with ηeff = 7.80 B.M., consistent with an oxidation state of +3 for both rhodium and gadolinium.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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