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  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthese und Kristallstruktur von Tetraethylammonium-µ-trichloro-heptachloro-diaquatrirhenat(III)-dihydrat, NEt4[Re3Cl10(H2O)22] · 2 H2ONEt4[Re3Cl10(H2O)2] · 2 H2O (1) entsteht in Form von dunkelroten Einkristallen beim langsamen Eindunsten salzsaurer Lösungen von ReCl3 und Tetraethylammoniumchlorid, NEt4Cl. 1 gehört zum orthorhombischen Kristallsystem, Raumgruppe Pnma, Z = 4; a = 1838,7(2); b = 1455,9(1); c = 972,08(7) pm; Vm = 391,81(6) cm3 · mol-1. Die Kristallstruktur enthält anionische Baugruppen [Re3Cl10(H2O)2]-, die nach Art einer hexagonal-dichtesten Kugelpackung angeordnet sind. Die Anionen werden durch (fehlgeordnete) Kationen NEt4+ zusammengehalten und sind gemeinsam mit dem Kristallwasser in ein System von Wasserstoffbrücken-Bindungen eingebunden.
    Notes: NEt4[Re3Cl10(H2O)2] · 2 H2O (1) was obtained from hydrochloric acid solutions of ReCl3 and tetraethylammonium chloride, NEt4Cl, by isothermal evaporation as dark red crystals. 1 crystallizes in the orthorhombic crystal system, space group Pnma, Z = 4, with a = 1838,7(2), b = 1456.9(1), c = 972.08(7) pm, Vm = 391.81(6) cm3 · mol-l. The crystal structure consists of [Re3Cl10(H2O)2]- anions that are arranged in the fashion of a hexagonal closest-packing of spheres. These are held together by partially disordered NEt4+ cations and are bound into a hydrogen bonding system with the crystal water.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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