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1996 (2)
1Author    Z. NaturforschRequires cookie*
 Title    Ligand Influences on the Supramolecular Chemistry of Simple Gold(I) Complexes: Mononuclear (Isonitrile)gold(I) Complexes  
 Abstract    A series of (isonitrile)gold(I) complexes has been synthesized: (MeNC)AuX (X = Cl la, I lc), (f-BuNC)AuBr 2b. (PhNC)AuX (X = Cl 3a. Br 3b. I 3c. SCN 3d), (MesNC)AuCl 4a [mes=mesityl], and (Me0 C(0)CH2NC)AuX (X = Cl 5a. Br 5b. I 5c. SCN 5d). The chlorides were prepared by the reaction of (M e2S)AuCl with equimolar amounts (or with an excess) of the corresponding isonitrile. The bromides, iodides and thiocyanates were obtained from the reaction of (RNC)AuCl with K+X -(X = Br, I, SCN) in the two-phase system H2O/CH2CI2. The molecular and crystal structures of la. 2b. 3a-c, 4a, and 5a-c have been determined by X-ray diffraction methods. In the solid state the molecules are aggregated through short A u-A u contacts into dimers (4a and 5c), chains (la , 2b and 3a-c) or sheets (5a and 5b). The influence of the isonitrile and halide ligands on the type and strength of the intermolecular A u-A u contacts is discussed. I n tro d u c tio n 
  Reference    Z. Naturforsch. 51b, 790—800 (1996); received December 22 1995 
  Published    1996 
  Keywords    Gold(I) Complexes, Isonitrile Complexes, Auriophilicity, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0790.pdf 
 Identifier    ZNB-1996-51b-0790 
 Volume    51 
2Author    KlausA. Ngerm Aier, A.Lexander Sladek, Hubert SchmRequires cookie*
 Title    Gold(I) Complexes of Chiral Secondary Phosphines  
 Abstract    The reaction of (dimethylsulfide)gold(I) chloride and bromide with methyl(phenyl)phosphine in tetrahydrofuran affords high yields of the colorless, crystalline, chiral complexes [M e(Ph)HP]AuCl/Br (la, b). Treatment of la with potassium iodide in thf leads to a conversion into the corresponding iodide [Me(Ph)HP] Aul (lc). The compounds were characterized by their analytical and spectroscopic data, and the crystal structures of la, b have been determined. The two compounds are isomorphous. In the lattice the monomers form chain-like supramolecular aggregates through auriophilic A u-A u contacts. The chains contain both enantiomers following the sequence . . R S R S R S.., with the individual components related by crystal symmetry. 
  Reference    Z. Naturforsch. 51b, 1671—1674 (1996); received September 17 1996 
  Published    1996 
  Keywords    Gold(I) Complexes, Chiral Phosphine Ligands, Auriophilicity, Supramolecular Aggregates 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-1671.pdf 
 Identifier    ZNB-1996-51b-1671 
 Volume    51