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'Silazanes' in keywords Facet   Publication Year 1993  [X]
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1Author    Michael Baier, Peter Bissinger, Hubert SchmidbaurRequires cookie*
 Title    Synthesis and Structure of a Manxane-Cage Silazane Molecule  
 Abstract    The reaction of tris(chlorodimethylsilyl)methane HC(SiMe2Cl)3 (1) with dry ammonia in hexane leads to the tris(disilazane) molecule HC(Me2SiNHSiMe2)3CH (3) in satisfactory yields. According to its 'H, 13C, and 29Si NMR spectra this bicyclic cage-molecule_exhibits vir­ tual (time-averaged) D3h symmetry. In the crystal (rhombohedral, space group R3) the manx-ane-type structure has a crystallographic three-fold axis, but the structure obeys only D 3d sym­ metry to a good approximation, owing to a disrotatory twist of the two Si3 triangles against each other. The crystals of compound 3 are isomorphous with those of the analogous tris(disiloxane) 2. 
  Reference    Z. Naturforsch. 48b, 1672—1674 (1993); received July 11 1993 
  Published    1993 
  Keywords    Silazanes, Cage-Type, Silicon-Nitrogen Compounds 
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 TEI-XML for    default:Reihe_B/48/ZNB-1993-48b-1672.pdf 
 Identifier    ZNB-1993-48b-1672 
 Volume    48