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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1689-1692 
    ISSN: 0044-2313
    Keywords: Thallium(I) complex ; (N,N-Diethyl-N′-benzoylselenoureato) thallium(I) ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal Structure of (N,N-Diethyl-N′-benzoylselenoureato)thallium(I).Tl(C12H15N2OSe) exists in a dimeric form and crystallizes in the triclinic space group P-1. The cell parameters are a = 6.501(6), b = 9.901(7), c = 12.233(9) Å, α = 91.59(2), β = 80.11(6), γ = 85.28(5)° and Z = 2. The structure was solved with Patterson and direct methods and was refined to a final R-value of 5.30%. Two complex molecules are connected by Tl—Se bonds to form a planar four membered ring with diagonally arranged Tl and Se atoms. The considerably bended chelate rings are nearly at right angle to the central four membered ring. The Tl—Se bond lengths are 3.105(3) and 3.118(3) Å, the Tl—O bond length is 2.532(9) Å.
    Notes: Tl(C12H15N2OSe) liegt als Dimer vor und kristallisiert in der triklinen Raumgruppe P-1 mit den Gitterkonstanten a = 6,501(6), b = 9,901(7), c = 12,233(9) Å, α = 91,59(2), β = 80,11(6), γ = 85,28(5)°, Z = 2. Die Struktur wurde mit Patterson und Direkten Methoden gelöst und bis zu einem R-Wert von 5,30% verfeinert. Zwei Komplexmoleküle sind über Tl—Se-Bindungen zu einem planaren Vierring aus diagonal angeordneten Thallium- und Selenatomen verknüpft. Die stark abgewinkelten Chelatringe sind nahezu rechtwinklig zum zentralen Vierring angeordnet. Die Tl—Se-Abstände betragen 3,105(3) und 3,118(3) Å, der Tl—O-Abstand beträgt 2,532(9) Å.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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