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'Dimeric Titanium Complexes' in keywords Facet   section ZfN Section B  [X]
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1992 (1)
1Author    Rene Wollert, SigridW. Ocadlo, K. Urt Dehnicke, Helmut Goesmann, Dieter FenskeRequires cookie*
 Title    Die Kristallstrukturen von (PPh4)2 [TiCl3 (NSiMe3) ] 2 * CH3CN und (PPh4)2 [TiCl4(OSPCl2) ] 2 The Crystal Structures of (PPh4)2[TiCl3(NSiM e3)]2 -C H 3CN and (PPh4)2[TiCl4(OSPCl2)]2  
 Abstract    (PPh4)2[TiCl3(N SiM e3)]2 C H 3CN has been prepared from [TiCl^NSiM ej)]^ with PPh4Cl in acetonitrile solution as yellow crystals. The com pound crystallizes in the triclinic space group P 1 with one formula unit per unit cell, 3447 observed unique reflections, R = 0.053. Lattice dimensions at 200 K: a = 1030(1), b = 1253(1), c = 1374(1) pm, a = 77.46(8)°, ß = 73.93(8)°, y = 69.99(9)°. The structure consists o f PPh4+ ions and centrosymmetric dimeric anions [TiCl3(N SiM e3)]2~, in which pentacoordinate titanium atom s are associated via the nitrogen atoms o f the silylimido groups. (PPh4)2[TiCl4(OSPCl2)]2 has been prepared by the reaction o f PPh^fOSPClJ with titanium tetrachloride in C H 2C12 solution as orange crystals. (Space group P I , Z = 1, 3242 observed unique reflections, R = 0.033). Lattice dim ensions at 193 K: a = 1114.8(2), b = 1190.6(2), c = 1218.7(2) pm, a = 72.18(1)°, ß = 85.45(1)°, y = 69.19(1)°. The structure consists o f PPh4+ ions and centrosymmetric dimeric anions [TiCl4(O SPCl2)]^~, in which hexacoordinate titanium atom s are associated via two chlorine atoms. The OSPCl2_ group is coordinated via the oxygen atom. 
  Reference    Z. Naturforsch. 47b, 1386—1392 (1992); eingegangen am 9. März 1992 
  Published    1992 
  Keywords    Dimeric Titanium Complexes, Synthesis, IR Spectra, Crystal Structure 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1386.pdf 
 Identifier    ZNB-1992-47b-1386 
 Volume    47