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  • Chemistry  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 510 (1984), S. 46-50 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Darstellung und Kristallstrukturbestimmung von La3ReO8La3ReO8 wurde bei 1425°C dargestellt, die Strukturbestimmung ergab abweichende Resultate von einer Darstellung, die bei 900°C erfolgte (BAUD u. Mitarb. 1979). Die Hochtemperaturmodifikation kristallisiert in der monoklinen Raumgruppe P21/m mit a = 7,757(1), b = 7,777(1), c = 5,928(1) Å, γ = 111,1°, Z = 2. Die Struktur wurde durch Patterson und Fouriersynthesen gelöst und bis R(F) = 0,073 verfeinert. Die Struktur besteht aus isolierten, verzerrten ReO6-Oktaedern und Doppelketten von kantenverknüpften La4O-Tetraedern.
    Notes: The crystal structure of La3ReO8, prepared at 1425°C, is reported to be different from a previous result on a preparation at 900°C (BAUD et al., 1979). The high temperature modification crystallizes in the monoclinic space group P21/m with a = 7.757(1), b = 7.777(1), c = 5.928(1) Å, γ = 111.1°, Z = 2. The structure was solved by Patterson and Fourier methods from single crystal diffractometer data and refined to final R(F) = 0,073. The structure consists of isolated, distorted ReO6 octahedra and double chains of edge-shared La4O tetrahedra.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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