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'Thiogallate III' in keywords
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1992 (1)
1Author    K. Urt, O. KleppRequires cookie*
 Title    Darstellung und Kristallstruktur von Na4Ga2S5. Ein Thiogallat mit i -[Ga2S5]4_ -Z weier-Doppelketten Preparation and Crystal Structure of N a4G a2S5. A Thiogallate with ],-[Ga2S5]4~-zweier-Double Chains  
 Abstract    T ransparent single crystals of N a4G a2S5 were obtained from a melt of N a2S, G a and S. N a4G a2S5 is monoclinic, space group P 2 l/c with a = 7.967(1), b = 6.133(2), c = 19.852(9) Ä, ß = 91.61(2)°, Z = 4. Its crystal structure was refined to a conventional R o f 0.033 for 1150 observed reflections. The structure of N a4G a2S5 is of a new type. It is characterized by infinite ribbon like thiogal­ late anions, ,J,-[Ga2S5] , which are built up by G aS4-tetrahedra (mean G a -S bond length 2.28 Ä) sharing apices and edges. The four crystallographically independent alkali cations are coordinated to six sulphur atoms in distorted octahedral configurations. 
  Reference    Z. Naturforsch. 47b, 937—941 (1992); eingegangen am 1. O ktober 1991 /7. Februar 1992 
  Published    1992 
  Keywords    Thiogallate(III), Crystal Structure, Chain Structure 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-0937.pdf 
 Identifier    ZNB-1992-47b-0937 
 Volume    47