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1984 (1)
1Author    M. Witzei, D. BabelRequires cookie*
 Title    Die Kristallstruktur des elpasolith-verwandten Cyanokomplexes [N(CH3)4]2NaFe(CN)6 * H20 The Crystal Structure of the Elpasolite-Related Cyano Complex [N(CH3)4]2NaFe(CN)6 * H20  
 Abstract    The compound [N(CH3)4]2NaFe(CN)6 • H20 crystallizes in the orthorhombic space group Pnma, Z = 4, a — 1863.9(2), b = 861.7(1), c — 1317.2(2) pm. The X-ray single crystal structure determination (2515 reflections, R — 0.04) revealed an elpasolite-related framework of slightly deformed Fe(CN)63_ octahedra, the mean distances in which are Fe —C = 194.0 and C—N = 113.9 pm. The strongly distorted octahedral N6 cavities formed by six Fe(CN)63_ units are occupied by monohydrated sodium ions, exhibiting a very short distance N a—O = 221.8(3) pm. By approach to one of the octahedral faces within their N6 environment the sodium ions obtain a distorted tetrahedral NaON3 coordination, N a—N = 2 x 238.0(3) and 241.3(3) pm. One of the compound's two tetramethylammonium ions, which are centered at mirror planes, is orientation-ally disordered. The reason for this is discussed. 
  Reference    Z. Naturforsch. 39b, 201 (1984); eingegangen am 21. Juli/19. Oktober 1983 
  Published    1984 
  Keywords    Crystal Structure, Elpasolite, Hexacyanoferrate(III), Monohydrated Sodium Ion 
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 TEI-XML for    default:Reihe_B/39/ZNB-1984-39b-0201.pdf 
 Identifier    ZNB-1984-39b-0201 
 Volume    39