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'Caesium' in keywords Facet   section ZfN Section B:Volume 053  [X]
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1998 (1)
1Author    Helical Borate, AnionA. Wiesch, K. BluhmRequires cookie*
 Title    Ag2Cs[B1 5 0 2 4]* Ein wasserfreies quaternäres SiIber(I)-Borat mit einem neuartigen Boratanion mit helixartigem Aufbau Ag2C s[B 150 24]: An Anhydrous Quaternary Silver(I)-Borate with a New  
 Abstract    Single crystals o f Ag2C s[B ,50 24] were prepared by using a B 20 3 flux technique with Ag2C 0 3 and Cs2C 0 3 in a closed silver tube at 650 °C. X-Ray investigations led to a new crystal structure in the space group P 2 ,2 ,2 (Nr. 18) with lattice parameters a = 1778.7 (4); b = 2219.2 (4); c = 512.2 (1) pm, Z = 4. The silver atoms are part of distorted A g 0 4 tetrahedra and planar A g 0 3 units while the caesium atoms are eightfold coordinated by oxygen. The compound contains an as yet unknown borate anion [B,50 24] with twelve B 0 3-and three B 0 4 units per formula. The B 0 3 units are connected to eight cords twisted to helices which are combined via B 0 4 tetrahedra to a three dimensional framework with large tunnels occupied by the cations. 
  Reference    Z. Naturforsch. 53b, 157—160 (1998); eingegangen am 23. Oktober 1997 
  Published    1998 
  Keywords    Silver, Caesium, Borate, Synthesis, Crystal Structure 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0157.pdf 
 Identifier    ZNB-1998-53b-0157 
 Volume    53