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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 550 (1987), 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 and Crystal Structure of Lead(II) MonoglycerolateCrystals of lead(II) monoglycerolate, of a quality suitable for diffraction studies, have been prepared from an alkaline plumbate solution and an excess of glycerol. The compound crystallizes in the monoclinic space group P21/c with a = 5.617(6) Å, b = 9.471(8) Å, c = 9.726(7) Å, β = 102.65(11)°. The structure was refined by full matrix least-squares techniques to an R value (1026 F0) of 0.078. The compound to which the formula Pb(C3H6O3) could be assigned, is polymeric in one direction. The lead and a part of the oxygen atoms built up a zig-zag chain parallel to the aaxis. The oxygen form a distorted tetragonal pyramid with lead at the apex. A decomposition temperature of 235°C has been determined.
    Notes: Blei(II)-monoglycerat kristallisiert monoklin (Raumgruppe P21/c) mit a = 5,617(6) Å, b = 9,471(8) Å, c = 9,726(7) Å, β = 102,65(11)° und Z = 4. Die Verfeinerung der Kristallstruktur mittels der Methode der kleinsten Fehlerquadrate ergab R = 0,078.Pb(C3H6O3) zeigt einen bemerkenswerten Aufbau. An der Koordination von Blei sind jeweils vier Glyceratdianionen beteiligt. Dabei heben sich Vierecke, die aus Blei und Sauerstoff gebildet werden, heraus. Diese Vierecke sind zickzackförmig miteinander verbunden und verlaufen parallel zur a-Achse. Untereinander sind diese eindimensional unendlichen Zickzackbänder durch die Glyceratreste abgeschirmt. Nach DTA-Untersuchungen ist die Zersetzungstemperatur von Blei(II)-monoglycerat 235°C.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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