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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 472 (1981), S. 102-108 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation, Spectroscopic and Crystal Structure Investigations of [Cl4SbO2P(CH3)2]2[Cl4SbO2P(CH3)2]2 was prepared from SbCl5 and HOP(O)(CH3)2 in CH2Cl2. The compound crystallizes in the space group P21/n with two dimeric units per unit cell; the lattice constants are a = 875, b = 1306, c = 923 pm and β 97.1°. Structural investigation by X-ray diffraction methods showed the Sb atoms in the dimeric units to be linked by O—P—O-bridges of the dimethylphosphinate groups to Sb2O4P2 eight-rings of approximate symmetry C2h. The vibrational spectrum (i.r., Raman) and the n.m.r. spectra (31P, 1H) consist with this structure.
    Notes: [Cl4SbO2P(CH3)2]2 wurde aus SbCl5 und HOP(O)(CH3)2 in CH2Cl2 dargestellt. Die Verbindung kristallisiert monoklin in der Raumgruppe P21/n mit zwei dimeren Einheiten in der Elementarzelle. Die Gitterkonstanten betragen a = 875, b = 1305, c = 923 pm und β = 97,1°. Nach der röntgenographischen Strukturbestimmung (1060 beobachtete, unabhängige Reflexe, R = 3,3%) sind die Sb-Atome der dimeren Einheiten über O—P—O-Brücken der Dimethylphosphinatgruppen zu gewellten Sb2O4P2-Achtringen der angenäherten Symmetrie C2h verknüpft. Das Schwingungsspektrum (IR, Raman) und die Kernresonanzspektren (31P, 1H) stehen mit dieser Struktur in Einklang.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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