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1986 (1)
1Author    R.Ainer Mattes, AngelaD. OrauRequires cookie*
 Title    Kurze inter-und intramolekulare W asserstoffbrückenbindungen in sauren Salzen halogensubstituierter Orthophthalsäuren Short Inter-and Intram olecular Hydrogen Bonds in Acid Salts of Halogen-Substituted o-Phthalic Acids  
 Abstract    The hydrogen bonding in several acid salts o f 4,5-dichlorophthalic, 3,6-dichlorophthalic and 3-fluorophthalic acid have been studied by IR spectroscopy and X-ray structure analysis. N H 4H [3,6-C12C8H 204] and KH[3-FCgH 30 4], with 0 ---0 distances o f 247 and 254.1(4) pm, respectively, belong to Speakm an's type B2 of acid salts o f dicarboxylic acids. In N H 4H[4,5-C12C8H 20 4] • H 20 a short hydrogen bond o f 253(1) pm is form ed to the H 20 m olecule. A very short intramolecular hydrogen bond o f only 234.0(10) pm length was found in N (C 4H 9)4H[4,5-C12C8H 20 4], In the [3,6-Cl2C8H 20 4]2_ dianion both carboxylate groups are nearly orthogonal to the phenyl ring. 
  Reference    Z. Naturforsch. 41b, 808 (1986); eingegangen am 17. März 1986 
  Published    1986 
  Keywords    Short Hydrogen Bonds, Acid Salts of o-Phthalic Acids, Crystal Structure 
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 TEI-XML for    default:Reihe_B/41/ZNB-1986-41b-0808.pdf 
 Identifier    ZNB-1986-41b-0808 
 Volume    41