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'Pyrazine' in keywords Facet   Publication Year 1999  [X]
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1999[X]
1Author    B. Roßenbeck, W. S. SheldrickRequires cookie*
 Title    Three-dimensional Copper(I) Halide Based Coordination Networks with Asymmetrically Substituted Bridging N-Donor Ligands  
 Abstract    The discrete complex [(Cul)2 (pyzCN)4] (1) and the coordination polymers ^ [CuI(pyzCN)] (2) and 3 [(CuX)3 (pyzCN)2] (3, 4; X = Br, Cl) may be prepared from the respective copper(I) halide CuX and 2-cyanopyrazine (pyzCN) by self-assembly in acetonitrile solution at 100-120°C. Whereas 2 exhibits 1 [Cul] staircase double chains as its characteristic substructure, the three-dimensional netwo'rks of 3 and 4 contain single zigzag CuX strings. The influence of the copper(I) halide on both the connectivity pattern and the dimensionality of a resulting coordination network is particularly apparent for the 1:1 complexes ^ [CuI(pymMe)] (5), 3 [(CuBr)3(pymMe)_3] (6) and ^ [CuCl(pymMe)] (7), which were generated by reaction of öaX with 4-methylpyrimidine (pymMe) under reaction conditions similar to those above. 
  Reference    Z. Naturforsch. 54b, 1510—1516 (1999); received August 27 1999 
  Published    1999 
  Keywords    Copper (I) Halides, Coordination Polymers, Crystal Engineering, Pyrazine, Pyrimidine 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1510.pdf 
 Identifier    ZNB-1999-54b-1510 
 Volume    54