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1995 (1)
1Author    Verena Schultz-Coulon, Wolfgang SchnickRequires cookie*
 Title    C a M g 2N 2 -ein gemischtes Erdalkalimetallnitrid mit fl#if/-La20 3-Struktur CaMg2N 2 -a Mixed Alkaline-Earth Metal Nitride with anti-La20 3 Structure  
 Abstract    CaMg2N 2 (trigonal, P 3 m l (Nr. 164); a = 354.046(1), c = 609.079(2) pm; Z = 1) is isotypic to the anti-La20 3 structure with octahedral and tetrahedral coordination for Ca2+ and M g2+ ions, respectively. The compound has been prepared by the reaction o f the binary nitrides Ca3N 2 and M g3N 2 (molar ratio 1:2) in a tungsten crucible under a pure nitrogen atmosphere at 1050 °C. The formation o f the solid CaM g2N 2 may be interpreted in analogy to reactions o f related oxides as an acid-base reaction between the binary nitrides with different coordina­ tion tendencies o f Ca2+ and M g2+ ions. A n analysis o f the binary aristotype anti-La20 3 indica­ tes that this structure is predisposed for building ternary phases. 
  Reference    Z. Naturforsch. 50b, 619—622 (1995); eingegangen am 31. August 1994 
  Published    1995 
  Keywords    Alkaline-Earth Metal Nitrides, Preparation, Crystal Structure, Structural Relations 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0619.pdf 
 Identifier    ZNB-1995-50b-0619 
 Volume    50