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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: Strukturuntersuchungen an Nitratokomplexen von Organo-Zinn-Verbindungen; Kristall- und Molekülstruktur von Nitratotriphenylstannyl-Zinn(II) und Nitratotris(triphenylstannyl)-Zinn(IV)Zwei Nitratokomplexe von Organozinn-Verbindungen wurden isoliert, ihre IR-Spektren aufgenommen und die Röntgenstruktur bestimmt. Beide Verbindungen kristallisieren monoklin (Gitterkonstanten der ersten Verbindung: a = 10,42(1), b = 18,91(2), c = 9,09(1) Å und β = 98,3(1)°, Raumgruppe P21/c, 4 Molekeln in der Elementarzelle; Gitterkonstanten der zweiten Verbindung: a = 19,153(8), b = 13,957(6), c = 17,914(8) Å und β = 95,8(1)°, Raumgruppe P21/c, 4 Molekeln in der Elementarzelle). Die Struktur beider Verbindungen wurde mittels Röntgenstruktur-analyse aufgeklärt und die Verfeinerung wurde nach least squares durchgeführt. Die wichtigsten Struktur-Merkmale betreffen die Sn—Sn-Bindungen in den beiden Komplexen und ein tetranukleares System von Sn-Atomen in der zweiten Verbindung.
    Notes: Two nitratocomplexes of organotin compounds [Sn(NO3){(C6H5)3Sn}] and [Sn(NO3){(C6H5)3Sn}3] have been synthesized and their i.r. spectroscopic properties and X-ray structures have been studied. Crystals of both compounds are monoclinic (space group P21/c with unit cell dimensions: a = 10.42(1), b = 18.91(2), c = 9.09(1) Å, β = 98.3(1)°, Z = 4 for the first compound; space group P21/n with unit cell dimensions: a = 19.153(8), b = 13.957(6), c = 17.914(8) Å, β = 95.8(1)°, Z = 4 for the second compound). The structures have been solved by X-ray analysis and refined by least-squares techniques. The main structural features are the presence of tin-tin bonds in both compounds and of a tetranuclear system of tin atoms in the second one.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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