Powders of Ln2TeO6 (Ln: La‐Yb, except Ce and Pm) have been obtained by annealing equimolar mixtures of Ln2O3 and TeO2 (preannealing at 600‐800 °C, 900 °C, 16‐24 °C, for Pr: Pr6O11:TeO2 = 1:3).
Einkristalle von zwei BaTeO3‐Modifikationen werden aus Schmelzen von BaCO3 und TeO2 (0.45 :0.55, 940‐950°C bzw. 2:3, 940 bis 950°C) präpariert und röntgenographisch untersucht.
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Das durch Umsetzung von Alkalimetallplatinat(IV) mit Ca‐Salzlösung erhaltene CaPt(OH)6 kristallisiert trigonal mit a = 5,890 und c = 9,591Å; Z=2, die Raumgruppe ergibt sich zu P31c‐D3d2.
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