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'Condensed Clusters' in keywords Facet   Publication Year 1980  [X]
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1Author    Karl Berroth, Hansjürgen Mattausch, Arndt SimonRequires cookie*
 Title    Neue reduzierte Halogenide der Lanthanoide mit kondensierten Clustern: Tb6Br7 und Er6I7 New Reduced Halides of Rare Earth Metals with Condensed Clusters: TböBr? and Er6l7  
 Abstract    The new compounds TböBr? and Er6l7 are formed from the trihalides with an excess of metal in sealed tantalum containers. X-ray structure investigations [space group C2/m; Tb6Br7 (Er6I7): a = 2057.1 (2137.5), b = 379.3 (386.9), c = 1180.0 (1231.9) pm, ß = 124.59° (123.50°)] show one-dimensional regions connected by Ln-Ln bonds. The structure type can be described in terms of LnöXi2-clusters which are linked via edges of Ln6-octahedra to form double strings. The structure is derived from an FCC arrangement of halogen atoms part of which is systematically substituted by Ln6-octahedra. 
  Reference    Z. Naturforsch. 35b, 626—630 (1980); eingegangen am 10. Januar 1980 
  Published    1980 
  Keywords    Condensed Clusters, Reduced Rare Earth Halides, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0626.pdf 
 Identifier    ZNB-1980-35b-0626 
 Volume    35