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'Stretched Molecular Geometries' in keywords Facet   Publication Year 1979  [X]
Facet   section ZfN Section B:Volume 034  [X]
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1979[X]
1Author    Josef Ernst, WilliamS. Sheldrick, Jürgen-Hinrich FuhrhopRequires cookie*
 Title    Die Strukturen der essentiellen ungesättigten Fettsäuren, Kristallstruktur der Linolsäure sowie Hinweise auf die Kristallstrukturen der a-Linolensäure und der Arachidonsäure The Structures of the Essential Unsaturated Fatty Acids. Crystal Structure of Linoleic Acid and Evidence for the Crystal Structures of a-Linolenic Acid and Arachidonic Acid  
 Abstract    The essential fatty acids linoleic, a-linolenic and arachidonic acid have been crystallized for the first time. The crystal and molecular structures have been elucidated by X-ray analysis. Linoleic acid crystallizes monoclinic P2ijc with a = 4298(3), b — 463.2(3), c = 937.7(6) pm, ß = 109.38(8)°, Z = 4. The closely packed molecules are stretched with a ttttttsCssCstt conformation a . By comparison of the unit-cell constants and calculated densities of the unsaturated fatty acids it may be shown that both a-linolenic acid and arachidonic acid also possess stretched structures in the crystal lattice, a-linolenic acid must display a ttttttsCssCssCs and arachidonic acid a ttsCssCssCssCsttt conformation. Einleitung 
  Reference    Z. Naturforsch. 34b, 706—711 (1979); eingegangen am 15. Januar 1979 
  Published    1979 
  Keywords    Linoleic Acid, a-Linolenic Acid, Arachidonic Acid, Stretched Molecular Geometries, X-ray 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0706.pdf 
 Identifier    ZNB-1979-34b-0706 
 Volume    34