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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 615 (1992), S. 16-18 
    ISSN: 0044-2313
    Keywords: Ytterbium nitrates ; synthesis ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Molecular and Crystal Structure of Ytterbium(III)-triaqua-trinitrate, Yb(H2O)3(NO3)3Yb(H2O)3(NO3)3 crystallizes from a concentrated solution of Yb2O3 in nitric acid in a vacuum desiccator at ambient temperature as colourless single crystals. The crystal structure was determined from single crystal four-circle diffractometer data (R3, Z = 6, a = 1175.5(1), c = 1117.7(2) pm, Vm = 134.25 cm3/mol, R = 3.0%, Rw = 2.9%). The structure may be viewed at as a heavily compressed packing of [Yb(H2O)3(NO3)3] molecules. Yb3+ is coordinated by three bidentate nitrate ligands and three water molecules so that a tricapped trigonal prism (C.N. 9) of oxygen atoms results as the coordination polyhedron.
    Notes: Yb(H2O)3(NO3)3 kristallisiert aus einer konzentrierten Lösung von Yb2O3 in Salpetersäure im Vakuumexsikkator bei Raumtemperatur in Form farbloser Einkristalle aus. Die Kristallstruktur wurde aus Einkristall-Vierkreis-Diffraktometer-Daten bestimmt (R3, Z = 6, a = 1175,5(1), c = 1117,7(2) pm, Vm = 134,25 cm3/mol, R = 3,0%, Rw = 2,9%). Sie kann als stark gestauchte Kugelpackung von [Yb(H2O)3(NO3)3]- Molekülen aufgefaßt werden. In diesen ist Yb3+ von drei zweizähnigen Nitratliganden und drei Wassermolekülen in Form eines dreifach bekappten trigonalen Prismas (C. N. 9) von Sauerstoffatomen umgeben.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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