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'Tetranuclear Iron Selenium Cluster Dianion' in keywords Facet   Publication Year 1994  [X]
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1994[X]
1Author    Andreas Ahle, K. Urt Dehnicke, CäciliaM. Aichle-Mössmer, Joachim SträhleRequires cookie*
 Title    Synthesis and Crystal Structure of [Na( 12-Crown-4)2]2[Fe4Se4Cl4]  
 Abstract    [N a(12-crow n-4)2]2[Fe4Se4Cl4] has been pre­ pared by the reaction o f FeCl2 with N a2Se4 in di-methylform amide solution in the presence o f 12-crown-4 as dark red crystals, which were char­ acterized by a_ crystal structure determination. Space group P 1, Z = 2, 6295 observed unique re­ flections, R = 0.085. Lattice dim ensions at 20 °C: a = 1397.3(3), b = 1501.8(4), c = 1570.1(4) pm, a = 85.86(2)°, ß = 64.06(2)°, y = 65.01(2)°. The structure consists o f [Na(12-crown-4)2]+ cations and cuban-like anions [Fe4Se4Cl4]2" with Fe — Fe contacts o f 282.8(3) pm. 
  Reference    Z. Naturforsch. 49b, 434 (1994); eingegangen am 30. September 1993 
  Published    1994 
  Keywords    Tetranuclear Iron Selenium Cluster Dianion, Synthesis, Crystal Structure 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0434_n.pdf 
 Identifier    ZNB-1994-49b-0434_n 
 Volume    49