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'Hexacyanoferrate III' in keywords Facet   Publication Year 1982  [X]
Facet   section ZfN Section B  [X]
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1Author    D. BabelRequires cookie*
 Title    Die Kristallstruktur des Cyano-Elpasoliths [N(CH3)4]2CsFe(CN)6 The Crystal Structure of the Cyano Elpasolite [N(CH3)4]2CsFe(CN)6  
 Abstract    The crystal structure of the cubic compound [N(CH3)4]2CsFe(CN)6 was determined by X-ray methods: a = 2527.4(6) pm, space group Fd3c, Z = 32, Rg = 0.028 (260 independent single crystal reflections). The resulting distances within the practically undistorted Fe (CN) 6 3 ~ -octahedron are Fe-C = 193.4(6) and C-N = 115.7(7) pm. Compared to the ideal elpasolite structure of space group Fm3m, Z = 4, the octahedra are rotated by 7.4° through their 3 axis. This is discussed as caused by steric requirements of the tetramethyl-ammonium groups (N-C = 148.4(10) and 149.1(38) pm, resp.). Three quarters of them, of which also the hydrogen positions could bo located, are well oriented. The remaining quarter shows orientational disorder to approach similar contact distances as the other N(CH3)4+ ion exhibits between the methyl groups and the nitrogen ends of the anions. 
  Reference    Z. Naturforsch. 37b, 1534—1539 (1982); eingegangen am 11. August 1982 
  Published    1982 
  Keywords    Crystal Structure, Elpasolite, Hexacyanoferrate(III) 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-1534.pdf 
 Identifier    ZNB-1982-37b-1534 
 Volume    37