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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 1740-1748 
    ISSN: 0044-2313
    Keywords: Anhydroerythritol ; Polyolato-ferrate(III) ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Polyol Metal Complexes. 17. Crystalline Iron(III) Complexes with Twofold Deprotonated Anhydroerythritol LigandsThree new crystalline ferrates(III) with diolato ligands derived from anhydroerythritol by deprotonation have been synthesized from wet alcoholic and from aqueous solution. Almost colourless, monoclinic crystals of Na2[Fe(AnEryt-H-2)2(OH)] · 0.5 NaNO3 · 3.5 H2O (1) have been prepared from ethanolic solutions. They content mononuclear bis diolato hydroxo ferrate(III) dianions. Trinuclear hexakis diolato μ3-methoxo triferrat(III) tetraanions constitute the anionic part of Na4[Fe3(AnErytH-2)6(OMe)] · 2.5 NaNO3 (2), yellow-green hexagonal crystals of which are formed from wet methanolic solutions. Yellow-green triclinic crystals of Ba2[Fe2(AnEryt-H-2)4(μ-OH)2] · 12 H2O (3) have been precipitated from aqueous solutions. In 3, the anions of 1 are dimerized to give tetrakis diolato di-μ-hydroxo diferrat(III) tetraanions.
    Notes: Drei neue kristalline Ferrate(III) mit doppelt deprotoniertem Anhydroerythrit als Diolato-Liganden wurden aus wasserhaltigem Medium hergestellt. Nahezu farblose, monokline Kristalle von Na2[Fe(AnErytH-2)2(OH)] · 0,5 NaNO3 · 3,5 H2O (1) werden aus wasserhaltigem Ethanol erhalten. Sie enthalten einkernige Bis-diolato-hydroxo-ferrat(III)-Dianionen. Dreikernige Hexakis-diolato-μ3-methoxo-triferrat(III)-Tetraanionen sind in Na4[Fe3(AnErytH-2)6(OMe)] · 2,5 NaNO3 (2) enthalten, das aus wasserhaltigem Methanol in Form hexagonaler, grüngelber Platten kristallisiert. Aus wäßrigen Diolatoferrat-Lösungen bilden sich grüngelbe, trikline Kristalle von Ba2[Fe2(AnErytH-2)4(μ-OH)2] · 12 H2O (3), in dem die Anionen von 1 in dimerer Form vorliegen, nämlich als zweikernige Tetrakis-diolato-di-μ-hydroxo-diferrat(III)-Tetraanionen.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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