Classification of fluorides and oxyfluorides of niobium(V) and tantalum(V) with alkali metals

On the basis of an analysis of the structures and chemical compositions of fluorides and oxyfluorides of niobium(V) and tantalum(V) the authors suggest a classification based on the dependence of the character of the crystal structure on the ratio of the number of nonmetal (O, F) ions to the number...

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Veröffentlicht in:	J. Struct. Chem. (Engl. Transl.); (United States) 1986-01, Vol.26 (4), p.565-569
Hauptverfasser:	Kuznetsov, V. Ya, Rogachev, D. L., Agulyanskii, A. I., Kalinnikov, V. T.
Format:	Artikel
Sprache:	eng
Schlagworte:	360602 - Other Materials- Structure & Phase Studies 400201 - Chemical & Physicochemical Properties ALKALI METAL COMPOUNDS AMMONIUM COMPOUNDS ANIONS CATIONS CHARGED PARTICLES CHEMICAL COMPOSITION CLASSIFICATION CRYSTAL STRUCTURE CRYSTALS FLUORIDES FLUORINE COMPOUNDS HALIDES HALOGEN COMPOUNDS INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IONIC CRYSTALS IONS LATTICE PARAMETERS LITHIUM COMPOUNDS MATERIALS SCIENCE NIOBIUM COMPOUNDS NIOBIUM FLUORIDES OXYFLUORIDES OXYGEN COMPOUNDS POTASSIUM COMPOUNDS REFRACTORY METAL COMPOUNDS RUBIDIUM COMPOUNDS SODIUM COMPOUNDS STEREOCHEMISTRY STRUCTURAL CHEMICAL ANALYSIS TANTALUM COMPOUNDS TANTALUM FLUORIDES TRANSITION ELEMENT COMPOUNDS
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Beschreibung
Zusammenfassung:	On the basis of an analysis of the structures and chemical compositions of fluorides and oxyfluorides of niobium(V) and tantalum(V) the authors suggest a classification based on the dependence of the character of the crystal structure on the ratio of the number of nonmetal (O, F) ions to the number of Nb or Ta ions. If lithium ions are present in the structure, they are summed with Nb or Ta in view of their steric similarity.
ISSN:	0022-4766 1573-8779
DOI:	10.1007/BF00754130