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1Author    Z. Akdeniz, M. P. TosiRequires cookie*
 Title    Static and Dynamic Structure of AU 2 C1 6 , AUA1C1 6 and AuFeCl 6 Clusters  
 Abstract    Fourfold coordination of trivalent metal ions by chlorines in molecular dimers changes from tetrahedral in A1 2 C1 6 and Fe 2 Cl 6 to planar in Au 2 Cl 6 . Within an ionic model we interpret this transition in the stable molecular shape as due to the quadrupolar polarizability of the gold(III) ion. We also demonstrate within the same model that a mixed tetrahedral-planar coordination is stable in AUA1C1 6 and AuFeCl 6 clusters. Quantitative comparisons are presented for the calculated molecular structures and vibrational frequencies against the available experimental data from crystalline diffraction and from Raman spectra of the crystal and of vapours. 
  Reference    Z. Naturforsch. 55a, 495—198 (2000); received February 12 2000 
  Published    2000 
  Keywords    Ionic Clusters, Molecular Vapours, Molecular Crystals 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0495.pdf 
 Identifier    ZNA-2000-55a-0495 
 Volume    55