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  • 1
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Salts of S4N4O2 - Examples for the Dependence of the Structure of Cyclic Sulfur-Nitrogen Compounds on the Electron DensityThe reaction of S4N4O2 with nucleophiles (alcoholates, alcohols, azides, and isocyanates) in alcoholic solution leads to the salts 1a-h. The Structure of 1h was determined by means of an X-ray analysis. 1h crystallizes in the space group P21/n and contains a transannular S—S-bond with 248.2 (2) pm. The structure of 1h is considered in connection with the increase of electron density and compared with the results of the X-ray analysis of CH3Si(NSN)3SiCH3 (2). 2 is cubic (space group P4132). The bicyclic molecule (S—N 150.4(2), Si—N 173.7 (2) pm) has approximate D3h symmetry and shows no S—S bonds across the rings.
    Notes: Die Umsetzung von S4N4O2 mit Nucleophilen (Alkoholate, Alkohole, Azide und Isocyanate) in alkoholischem Medium führt zu den Salzen 1a-h. Für 1h wurde eine Röntgenstrukturanalyse durchgeführt. 1h kristallisiert in der Raumgruppe P21/n und enthält eine transannulare S—S Bindung mit 248.2 (2) pm. Die Struktur von 1h wird im Zusammenhang mit der Zunahme der Elektronendichte betrachtet und mit den Ergebnissen der Röntgenstrukturanalyse von CH3Si(NSN)3SiCH3 (2) verglichen. 2 kristallisiert kubisch (Raumgruppe P4132). Das bicyclische Molekül (S—N 150.4 (2), Si—N 173.7 (2)pm) hat praktisch D3h Symmetrie und zeigt keine S—S-Bindungen im Ring.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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