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1991 (1)
1Author    R.Alf Fuchs, Peter KlüfersRequires cookie*
 Title    Heteronukleare Komplexverbindungen mit M etall-M etall-Bindungen, V [1]  
 Abstract    Umsetzungen mit [(NH3)2CuCo(CO)4l: Synthese und Struktur von |(PPh3)2CuCo(CO)4|, [Cu{P(OM e)3}4][Cu{Co(CO)4}2] und (Ph3P)2N |C u{C o(C O)4}2] H eteronuclear C o-ordination Com pounds with M e ta l-Metal-Bonds, V [1] Reactions with [(NH3)2CuCo(CO)4]: Synthesis and Structure of [(PPh3)2CuCo(CO)4], [Cu{ P(OM e)3}4][Cu{Co(CO)4}2] and (Ph3P)2N[Cu{Co(CO)4}2] The heteronuclear carbonyl complex [(NH3)2CuCo(CO)4] 1 reacts with the phosphane li­ gands PPh3, PEt3 and P(OMe)3. A dinuclear complex, [(PPh3)2CuCo(CO)4] 2, is formed with PPh3, while trinuclear anionic [Cu{Co(CO)4}2]~ species are formed with the other phosphane ligands. The crystal structure of 2 (C u-C o = 255.2(2) pm) and the structures of two com­ pounds with trinuclear anions, [Cu{P(OMe)3}4][Cu{Co(CO)4}^] 3 (C u-C o = 232.64(8) and 233.10(8) pm) and PPN[Cu{Co(CO)4}2] 6 (C u-C o = 238.1(l)"and 234.3(1) pm), have been determined by X-ray crystallography. The angle Cax-C o -C eq of tetracarbonyl cobalt com­ pounds (i.e. the deviation from tetrahedral geometry) depends on the charge of the Co(CO)4 fragment, as calculated with the electronegativity equalization scheme of Bratsch (J. Chem. Ed. 61, 588 (1984)). 
  Reference    Z. Naturforsch. 46b, 507—518 (1991); eingegangen am 18. September 1990 
  Published    1991 
  Keywords    Cobalt Carbonyl Complexes, Bi-and Trinuclear Copper Cobalt Compounds, Phosphorus Ligands, Crystal Structure, Electronegativity Equalization 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0507.pdf 
 Identifier    ZNB-1991-46b-0507 
 Volume    46