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'Cesium' in keywords Facet   Publication Year 1998  [X]
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1Author    KurtO. Klepp, G. Erald GablRequires cookie*
 Title    Preparation and Crystal Structure O f € 8 4 ^ 2 8 ! i  
 Abstract    The new polychalcogenide Cs4N b2Su was pre­ pared from the melt. Cs4Nb7Sn is orthorhombic, 0 P68, s.g. Pca2, (N o.29), Z = 4 with a = 13.775(9) Ä , b = 8.043(9) A , c = 18.306(5) A. The crystal structure was determ ined from diffractometer data and refined to a conventional R of 0.052 
  Reference    Z. Naturforsch. 53b, 1236—1238 (1998); received April 14 1998 
  Published    1998 
  Keywords    Chalcogenide, Thioniobate, Polysulfide, Niobium, Cesium 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-1236_n.pdf 
 Identifier    ZNB-1998-53b-1236_n 
 Volume    53 
2Author    Sabine Schlecht, Soheila Chitsaz, Bernhard Neumüller, Kurt DehnickeRequires cookie*
 Title    Die Kristallstrukturen des Diphenylphosphinsäureamids, Ph2P(0)NH 2, und seines Cäsiumsalzes [Cs{Ph2P(0)NH}] Crystal Structures of Diphenylphosphinic Acid Amide, Ph-,P(0)NH-, and of its Cesium Salt [Cs{Ph2P(0)NH}]  
 Abstract    The crystal structures of the monoclinic form of Ph2P(0)NH2 and of its cesium salt, [Cs{Ph2P(0)NH}l have been determined by X-ray methods. Ph2P(0)N H 2: Space group P2,/c, Z = 16, lattice dimensions (-80°C): a = 2530.2(3), b = 858.9(2), c = 2135.5(3) pm, ß = 110.78(1)°, R , = 0.055. Diphenylphosphinic acid amide forms dimeric molecules via N-H- • O hydrogen bonds, the dimeric units again are associated via hydrogen bonds to form infinite double chains along the crystallographic c axis. [Cs{Ph2P(0)NH}]: Space group Pccn, Z = 8 , lattice dimensions (-83°C): a = 1262.8(1), b = 2632.3(2), c = 769.1(1) pm , R\ = 0.024. The compound is associated via Cs-O and Cs-N contacts along the crystallographic [001] axis forming a tubular arrangement. There are no hydrogen bonds. 
  Reference    (Z. Naturforsch. 53b, 17—22 [1998]; eingegangen am 3. November 1997) 
  Published    1998 
  Keywords    Phosphinic Acid Amide, Cesium, Crystal Structure 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0017.pdf 
 Identifier    ZNB-1998-53b-0017 
 Volume    53