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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 461 (1980), S. 142-145 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On Hexagonal Perovskites with Cationic Vacancies. XIV. The Rhombohedral 12 L-Stacking Polytypes Ba2La2BII(W2VI□O12)Rhombohedral 12 L-stacking polytypes with cationic vacancies of type Ba2La2BII-(W2VI□O12) are reported for BII = Mg, Zn (white), Ni(light brown) and Co(brown). They crystallize in the space group R3m, sequences (3)(1) ≙ (hhcc)3. For BII = Cu, as a consequence of the Jahn Teller effect, a triclinic distorted lattice is observed.
    Notes: Rhomboedrische 12 L-Stapelvarianten mit Kationenfehlstellen vom Typ Ba2La2BII(W2VI□O12) werden für BII = Mg, Zn(weiß), Ni(hell-braun) und Co(braun) beschrieben. Sie kristallisieren in der R.G. R3m, Sequenz (3)(1) ≙ (hhcc)3. Für BII = Cu wird als Folge des Jahn-Teller-Effekts ein triklin verzerrtes Gitter beobachtet.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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