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1998 (1)
1987 (1)
1Author    UpendraM. Tripathi, Annette Schier, Hubert SchmidbaurRequires cookie*
 Title    (Triphenylarsine)gold(I) Complexes: Synthesis of an Oxonium Salt and Redistribution of the Arsine Ligands  
 Abstract    The reaction of [(Ph3As)AuCl] with Ag20 in the presence of NaBF4 in tetrahydrofuran affords three products, identified as [(Ph3As)4.Au]BF4 (40.3%), [(Ph3As)2Au]BF4 (16.4%) and {[(Ph3As)Au]3 0 }BF4 (17.3%). The properties of the main product agree well with recent literature data. The other two compounds are new and have been identified by their analytical, spectroscopic, and crystallographic data. The structures are isomorphous with those of the analogous Ph^P complexes. Variations in the stabilities are discussed in terms of kinetic and thermodynamic effects. 
  Reference    Z. Naturforsch. 53b, 171—174 (1998); received December 23 1997 
  Published    1998 
  Keywords    Gold(I) Complexes, Arsine Complexes, Oxonium Salts, Gold Clusters 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0171.pdf 
 Identifier    ZNB-1998-53b-0171 
 Volume    53 
2Author    Dietrich Mootz, Angelika Merschenz-QuackRequires cookie*
 Title    Zur Kenntnis der höchsten Hydrate der Schwefelsäure: Bildung und Struktur von H2S 0 4*6,5 H20 und H2S 0 4-8 H20 [1] On the Highest Hydrates of Sulfuric Acid: Formation and Structure of H 2S 0 4 -6.5 H 20 and H 2S 0 4-8 H 20 [1]  
 Abstract    The phase diagram of the system sulfuric acid-water in the range 80—100 mol % H20 was reinvestigated by low-temperature DTA and X-ray powder diffraction. The results are compared with other studies in the literature. The crystal structures of the hydrates H2S 0 4 • 6.5 H20 , melting incongruently at —54 °C, and H2S 0 4-8 H 20 (metastable) were determined to be those of oxonium salts, (H50 2)(H 70 3)S 0 4-1.5 H20 and (H50 2)2S 0 4-4 H20 , respectively. 
  Reference    Z. Naturforsch. 42b, 1231 (1987); eingegangen am 1. Juni 1987 
  Published    1987 
  Keywords    System H2S 0 4—H20, Sulfuric Acid, Hydrate Structures, Hydrogen Bonding, Oxonium Salts 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-1231.pdf 
 Identifier    ZNB-1987-42b-1231 
 Volume    42