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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 594 (1991), S. 127-132 
    ISSN: 0044-2313
    Keywords: Strontium ; Copper ; Vanadium ; Crystal Chemistry ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On a Second Alkaline Earth-Copper Oxovanadate: SrCuV2O7Single crystals of SrCuV2O7 were prepared by solid state reaction in the order of the meltingpoint of the component mixture. The yellowgreen crystals have orthorhombic symmetry, space group D2h16-Pnma; a = 14.470; b = 5.470; c = 7.420 Å; Z = 4. SrCuV2O7 represent a new crystal structure with V5+ in tetrahedric coordination, forming V2O7-double-tetrahedra, which are connected with CuO5 square pyramids into planes. Sr2+ between these planes has a complicated surrounding of 11 O2-. The structure is discussed with respect to the not isotypic compound CaCuV2O7.
    Notes: Einkristalle von SrCuV2O7 wurden durch Feststoffreaktion im Bereich des Schmelzpunktes der Reaktionsmischung erhalten. Die gelbgrünen Kristalle haben orthorhombische Symmetrie, Raumgruppe D2h16-Pnma; a = 14,470; b = 5,470; c = 7,420 Å; Z = 4. SrCuV2O7 repräsentiert eine neue Kristallstruktur, die V5+ in tetraedrischer Koordination zeigt. Es treten isolierte V2O7-Tetraederdoppel auf, die mit CuO5-Pyramiden in Ebenen verknüpft sind. Sr2+ hat eine komplizierte Umgebung von 11 O2-. Die Struktur wird mit der nicht isotypen Verbindung CaCuV2O7 diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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