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  • (CH3)2S derivatives  (1)
  • Spectra  (1)
  • Wiley-Blackwell  (1)
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  • Wiley-Blackwell  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1633-1638 
    ISSN: 0044-2313
    Keywords: (CH3)2S derivatives ; Structure ; Spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (CH3)2SBr2 - Reactions and Structures(CH3)2SBr2 (1) is a donor acceptor complex (8-S-3 + 10-Br-2) which reacts with (CH3)2S(=O)NSi(CH3)3 to yield [(CH3)2S(O)=N—S(CH3)2]+Br- (2). With SbBr3 (CH3)2SBr+SbBr4- (3) can be isolated. 1 crystallizes monoclinic in the space group P21/c with a = 733.8, b = 734.2, c = 1132.7 pm, β = 92.8° and Z = 4. 2 crystallizes in the orthorhombic space group Pnma with a = 967.2, b = 793.3, c = 1168.3 pm and Z = 4. The SBr and BrBr force constants of 1 are compared with those of S2Br2, 3 and Br2 resp. The nmr and mass spectra of 1 and 2 are communicated.
    Notes: (CH3)2SBr2 (1) ist ein (8-S-3 + 10-Br-2) Donor-Akzeptor-Komplex(8-S-3 + 10-Br-2) bedeutet: acht Valenzelektronen am S-Atom, das von drei Bindungspartnern umgeben ist, und zehn Valenzelektronen am Br-Atom, das zwei Bindungspartner hat; s.: S. W. Perkins, J. C. Martin, A. J. Arduengeo III, W. Lau, A. Alegria, J. K. Kochi, J. Am. Chem. Soc. 1980, 102, 7753. und reagiert mit (CH3)2S(=O)NSi(CH3)3 zu [(CH3)2S(O)=N—S(CH3)2]+Br- (2), mit SbBr3 zu (CH3)2SBr+SbBr4- (3). 1 kristallisiert monoklin (P21/c) mit a = 733,8, b = 734,2, c = 1132,7 pm, β = 92,8° und Z = 4. 2 kristallisiert orthorhombisch in der Raumgruppe Pnma mit a = 967,2, b = 793,3, c = 1168,3 pm und Z = 4. Die SBr- und BrBr-Kraftkonstanten von 1 werden mit denen von S2Br2 und 3 bzw. Br2 verglichen. Die NMR- und Massenspektren von 1 und 2 werden kurz diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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