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  • Vanadyl Phosphate  (1)
  • 1995-1999  (1)
  • 1980-1984
  • 1930-1934
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1693-1698 
    ISSN: 0044-2313
    Keywords: Barium ; Copper ; Vanadyl Phosphate ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cu4O12 Groups Built of Square Planar CuO4 Polygones in the Barium Vanadyl Oxocuprate(II) Phosphate Ba(VO)Cu4(PO4)4Single crystals of Ba(VO)Cu4(PO4)4 have been prepared by solid state reactions just below the melting points of the reaction mixtures of BaP2O6, Cu3(PO4)2, CuO, V2O5 and V2O3 in evacuated closed quartz glas tubes. The compound crystallizes with tetragonal symmetry, Space group D42—P4212, a = 9.560(2), c = 7.160(2) Å, Z = 2. Special and new features of the crystal structure are to each other isolated Cu4O12 and (VO)(PO4)4 groups. The crystal chemistry of the Cu4O12 groups is discussed with respect to other compounds containing out of plane connected square planar MO4 polygones.
    Notes: Einkristalle von Ba(VO)Cu4(PO4)4 wurden mit Festkörperreaktionen dicht unterhalb des Schmelzpunktes des Reaktionsgemenges aus BaP2O6, Cu3(PO4)2, CuO, V2O5 und V2O3 in geschlossenen, evakuierten Quarzglasampullen dargestellt. Diese Verbindung kristallisiert tetragonal, Raumgruppe D42—P4212, mit a = 9,560(2), c = 7,160(2) Å, Z = 2. Besondere und neue Eigenschaften der Kristallstruktur sind zueinander isolierte Cu4O12- und (VO)(PO4)4-Gruppen. Die Kristallchemie der Cu4O12-Baugruppen wird mit Blick auf andere Verbindungen, die nicht in Ebenen verknüpfte MO4-Polygone aufweisen, diskutiert.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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