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1999 (1)
1Author    KurtO. Klepp, Ferdinand Fabian, *. Sonderdruckanforderungen, Prof Kurt, O. KleppRequires cookie*
 Title    Darstellung und Kristallstruktur von Rb6Sn2S7 New Chalcogenometallates with Binuclear Anions, I: Preparation and Crystal Structure of Rb6Sn2S7  
 Abstract    Colorless crystals of the new thiostannate Rb6Sn2S7 were obtained by reacting a stoichio­ metric melt of Rb2S, Sn and S at 700°C. The compound is orthorhombic, oP60, s.g. f '2,2,2, (No. 19) with a = 9.982(4), b = 13.45(1), c = 15.20(1) A; Z = 4. The crystal structure was determined from diffractometer data and refined to a conventional R of 0.043 (1380 Fo's, 137 variables). The crystal structure contains dimeric anions, [Sn2S7]2 -, which are built up by slightly distorted SnS4 tetrahedra sharing a common sulfur atom. The mean Sn-S bond length calculates as 2.384 Ä, the bond angle on the bridging S is 110.4°. The structure contains six independent Rb-cations which are coordinated to 5-6 sulfur atoms in irregular configurations. Neue Chalkogenometallate mit binuklearen Anionen, I: 
  Reference    Z. Naturforsch. 54b, 1505—1509 (1999); eingegangen am 13. September 1999 
  Published    1999 
  Keywords    Crystal Structure, Chalcogenides, Thiostannates, Rubidium, Tin, Sulfur 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1505.pdf 
 Identifier    ZNB-1999-54b-1505 
 Volume    54