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'Vanadyl Arsenate' in keywords Facet   Publication Year 1997  [X]
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1Author    OctahedraC. Wadewitz, Hk Müller-BuschbaumRequires cookie*
 Title    Ba  
 Abstract    (V0)4(As0 4)2(As20 7): Ein neues Divanadyl(IV)-Arsenat mit flächenverknüpften V20 8+1-Oktaederdoppeln Ba(V0)4(As0 4)2(As20 7): A New Divanadyl(IV)-Arsenate Containing Face Shared V20 8+, Double A new alkaline earth vanadyl arsenate Ba(V0)4(As0 4)2(As2 0 7) has been synthesized by solid state reactions in closed quartz tubes. X-ray investigations led to orthorhombic symmetry, space group D2£-Pnma, a = 17.540(2), b = 7.6223(8), c = 11.0633(12) A, Z = 4. The crystal structure is characterized by A s 0 4 single and As20 7 double tetrahedra and face shared asymmetric stretched V20 8+, double octahedra, forming a network of polyhedra. The incorporated Ba2+ ions show 12-fold coordination by oxygen. Ba(V 0)4(A s0 4)2(As20 7) is the first vanadyl compound containing V20 8 divanadyl groups originating from face sharing stretched V 0 5+l octahedra. 
  Reference    (Z. Naturforsch. 52b, 83—87 [1997]; eingegangen am 21. August 1996) 
  Published    1997 
  Keywords    Barium, Vanadyl Arsenate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0083.pdf 
 Identifier    ZNB-1997-52b-0083 
 Volume    52