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'Cyanato Complex' in keywords Facet   Publication Year 1978  [X]
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1978[X]
1Author    Gerhard Thiele, Peter HilfrichRequires cookie*
 Title    Über Cyanatomercurate M2Hg3(NCO)8 (M = K, Rb, Cs) - Synthesen, Kristallstrukturen und Schwingungsspektren On Cyanatomercurates M2Hg3(NCO)8 (M = K, Rb, Cs) - Syntheses, Crystal Structures and Vibrational Spectra  
 Abstract    By mixing aqueous solutions of Hg(CH3COO)2 and MOCN (M = K, Rb, Cs) the tri-clinic compounds M2Hg3(NCO)8 are formed. In a first approximation the crystal structure analysis indicates isolated Hg(NCO)2 molecules besides K+ and NCO~ ions. As in the range of van der Waals radii additional NCO-neighbours are noticed the mercury atoms are surrounded by distorted octahedra. The octahedra around 2/3 of the Hg form infinite chains as in KHg(NCO)3 which are linked together by additional Hg(NCO)2 molecules. Therefore the compound can be formulated as a double salt 2 KHg(NCO)3 • Hg(NCO)2. The vibrational spectrum is discussed. Rb2Hg3(NCO)8 is isotypous while the caesium salt has a double cell volume. 
  Reference    Z. Naturforsch. 33b, 597—602 (1978); eingegangen am 20. März 1978 
  Published    1978 
  Keywords    Cyanatomercurate, Cyanato Complexes, Crystal Structure, Vibrational Spectra 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0597.pdf 
 Identifier    ZNB-1978-33b-0597 
 Volume    33