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  • 1
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 41 (1985), S. 225-230 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 12 (1979), S. 485-486 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A set of Fortran programs for the refinement of crystal structures using the Rietveld profile analysis technique have been written or adapted for use on an interactive computer. Facilities include distance and angle calculations, Fourier calculations and Madelung site energy calculations as well as the main refinement option.
    Type of Medium: Electronic Resource
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  • 3
    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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