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  • Chemistry  (1)
  • Wiley-Blackwell  (1)
  • 1985-1989  (1)
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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: Crystal and Molecular Structure of a Novel Dimetallamacrocycle: cyclo-Di[mercury-μ-[1,1,1′,1′-tetraethyl-3,3′-terephthaloyl-bis-thioureato(2-)-S:S′]]The structure of the title compound has been determined by an X-ray structure analysis. The compound crystallizes in the monoclinic space group P21/n with a = 13.437, b = 9.270, c = 18.791 Å, β = 100.65° and Z = 2. The solution of the structure was performed by Patterson methods. The final R value was R = 0.090 for 3089 observed reflections. The molecule has a cyclic structure consisting of two molecules of the ligand which coordinate only by the sulphur atoms and two mercury atoms. The formed ring is a 26-membered dimetallamacrocycle. The intramolecular Hg-Hg distance is 10.39 Å. The molecule has the symmetry Ci.
    Notes: Die Struktur der Titelverbindung wurde durch Röntgenkristallstruktur-analyse bestimmt. Die Verbindung kristallisiert monoklin in der Raumgruppe P21/n mit den Gitterkonstanten a = 13,437, b = 9,270, c = 18,791 Å, β = 100,65° und Z = 2. Gelöst wurde die Struktur mittels Patterson-Methoden. Der abschließende R-Wert betrug R = 0,090 für 3089 beobachtete Reflexe. Das Molekül besitzt eine zyklische Struktur, die sich aus zwei Molekülen des nur über die Schwefel-Atome koordinierenden Liganden und zwei Quecksilber-Atomen zusammensetzt. Der gebildete Ring ist ein 26gliedriger Dimetallamacrocyclus. Der intramolekulare Hg-Hg-Abstand beträgt 10,39 Å. Das Molekül besitzt die Symmetrie Ci.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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