All Library Books, journals and Electronic Records Telegrafenberg

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Structures of Caesium-containing Fluorides. VII. Cs6Ni5F16 - a New Compound in the System CsF/NiF2 and its Crystal StructureSingle crystals of a more caesium-containing phase of composition Cs6Ni5F16, forming in the course of solid state CsNiF3 preparation, could be isolated and their structure determined: a = 618.4(1), b = 1. 455.5(2), c = 2145.1(2) pm, space group Cmca, Z = 4, R = 0.030 (1936 independent reflections). The structure contains chains of five face-sharing octahedra, which are connected at their ends via corners to form a zig-zag layer. The Ni—Ni distances within the chains are 264.1 and 270.2 pm, the average Ni—F distance is 202.0 pm. The caesium atoms exhibit 10-, 11-, and 12-coordination. The structural relations to 2L—CsNiF3 and Cs4Ni3F10 are discussed.
    Notes: Eine bei der Darstellung von CsNiF3 durch Festkörperreaktion auftretende caesiumreichere Phase der Zusammensetzung Cs6Ni5F16 konnte in Form von Einkristallen isoliert und röntgenographisch ihre Struktur bestimmt werden: a = 618,4(1), b = 1455,5(2), c = 2145,1(2) pm, Raumgruppe Cmca, Z = 4, R = 0,030 für 1936 unabhängige Reflexe. Die Struktur enthält Ketten von fünf flächenverknüpften Oktaedern, die an ihren Enden über Ecken zu einer gewellten Schicht verbunden sind. Die Ni—Ni-Abstände in den Ketten betragen 264,1 und 270,2 pm, der mittlere Ni—F-Abstand 202,0 pm. Für die Caesiumatome werden Koordinationszahlen von 10, 11 und 12 beobachtet. Die strukturellen Beziehungen zu 2L-CsNiF3 und Cs4Ni3F10 werden erläutert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...