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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 112 (1979), S. 1751-1755 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Planar Threefold Coordination of Sulfur(VI): Crystal and Molecular Structures of (R3SiN)3S and (R3CN)3S (R=CH3) at -130°CThe crystal structures of the title compounds were determined from single crystal X-ray data (measured at -130°C) and refined to unweighted R-values of 0.034 for (R3SiN)3S (1) and 0.047 for (R3CN)3S(2). 2 crystallizes in the triclinic space group P1 and 1 in the hexagonal space group P63/m. Both structures exhibit a planar threefold nitrogen coordination of the sulfur but the large coefficients of the temperature factors perpendicular to the SN3 planes in 1 and 2 might indicate a disorder due to small deviations from planarity. The S—N bond lengths were found to be 150.4 (1) and 151.5 pm (2, mean).
    Notes: Die Strukturen der Titelverbindungen wurden aus Diffraktometer-Einkristalldaten (gemessen bei -130°C) bestimmt und zu ungewichteten R-Werten von 0.034 für (R3SiN)3S )(1) und 0.047 für (R3CN)3S (2)verfeinert. 2 kristallisiert triklin, P1. Und 1 hexagonal, P63/m. In beiden Strukturen wird eine trigonal planare Koordination des zentralen Schwefelatoms beobachtet, doch deuten die relativ großen Koeffizienten der anisotropen Temperaturfaktoren senkrecht zu den SN3-Ebenen in 1 und 2 auf eine Fehlordnung als Folge geringer Abweichungen von der Planarität in den einzelnen Molekülen hin. Die S—N-Abstände betragen 150.4 pm (1) und 151.5 pm (2, Mittelwert).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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