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'Macrocyclic Ligands' in keywords Facet   Publication Year 2000  [X]
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1Author    Berthold KerstingRequires cookie*
 Title    Synthesis and Structure of a Tetranuclear Nickel Complex of a 40-Membered Macrocyclic Octaamine-Tetrathiophenolate Ligand  
 Abstract    The syntheses and characterization of tetranuclear Ni complexes [(L2)Ni4][C104]4 (3) and [(L2)Ni4(NCS)4] (4) of a 40-membered macrocyclic octaamine-tetrathiophenolate ligand (L2)4-are described. Single-crystal X-ray structure analysis of 4 reveals well-separated molecules of the tetranuclear isothiocyanate complex [(L2) N i 4(NCS)4]. The four Ni" centers are arranged in binuclear [N2N i(^ 2-SR)2N iN 2(NCS)2] subunits containing distorted square-planar NiN 2S2 and distorted octahedral NiN 2S2(NCS)2 sites. The fact that the two isothiocyanate groups at the octahedral Ni site are in trans positions can be ascribed to the large ring size of the macrocycle. 
  Reference    Z. Naturforsch. 55b, 961—965 (2000); received July 7 2000 
  Published    2000 
  Keywords    Macrocyclic Ligands, Thiolate Ligand, Polynuclear Complexes 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-0961.pdf 
 Identifier    ZNB-2000-55b-0961 
 Volume    55