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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1095-1097 
    ISSN: 0044-2313
    Keywords: Rubidium auride ; caesium auride ; preparation ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Single-Crystal Growth and Structure Refinement of RbAu and CsAuSingle-crystals of RbAu and CsAu were obtained by the reaction of the alkalimetal azides with gold-powder at 400°C. The structures were determined from X-ray single-crystal diffraktometer data: space group Pm3m, Z = 1; RbAu, a = 4.098(1) Å, R/Rw(w = 1) = 0.011/0.011, N(Fo2) ≥ 3σ(Fo2) = 41 and N(var.) = 4; CsAu, a = 4.258(1) Å, R/Rw(w = 1) = 0.009/0.010, N(Fo2) ≥ 3σ(Fo2) = 34 and N(var.) = 4. Both compounds crystallize in the completely ordered CsCl-type with neglible deviations from the ideal 1:1-composition.
    Notes: Einkristalle von RbAu und CsAu wurden durch Reaktion der Alkalimetallazide mit Goldpulver bei 400°C erhalten. Die Strukturen wurden aus Einkristall-Röntgen-Diffraktometerdaten bestimmt: Raumgruppe Pm3m, Z = 1; RbAu, a = 4,098(1) Å, R/Rw(w = 1) = 0,011/0,011, Z(Fo2) ≥ 3σ(Fo2) = 41 und Z(Var.) = 4; CsAu, a = 4,258(1) Å, R/Rw(w = 1) = 0,009/0,010, Z(Fo2) ≥ 3σ(Fo2) = 34 und Z(Var.) = 4. Beide Verbindungen kristallisieren im vollständig geordneten CsCl-Typ mit vernachlässigbarer Abweichung von der idealen 1:1-Zusammensetzung.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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