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'Cobalt' in keywords Facet   section ZfN Section B:Volume 052  [X]
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1997 (1)
1Author    B. W. Edel, HkM. Üller-B, UschbaumRequires cookie*
 Title    Über die Kristallstrukturen der Tellurate Pb3Fe2Te20 12 und Pb2CoTe06  
 Abstract    Pb3Fe2Te20 |2 (I) and Pb2C oT e06 (II) have been prepared by crystallization from melts. Single crystal X-ray investigations led to monoclinic (I) and tetragonal (II) symmetry, space groups Cs-Cc and D{J-I4/mmm. Lattice constants I: a = 9.866(3), b = 15.332(4), c = 7.172(2) A, ß = 111.34(3)°, Z = 4. II: a = 5.661(5), c = 8.004(7) A, Z = 2. (I) represents a new crystal structure, characterized by a network of octahedra occupied by Fe + and Te6+ in a disordered manner. The centres of negative charge of the lone pairs of Pb2+ in I are estimated by Coulomb term calculations. II belongs to the elpasolithe type. 
  Reference    (Z. Naturforsch. 52b, 35—39 [1997]; eingegangen am 2. September 1996) 
  Published    1997 
  Keywords    Lead, Iron, Cobalt, Tellurium Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0035.pdf 
 Identifier    ZNB-1997-52b-0035 
 Volume    52