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2006 | 4 | 3 | 458-475

Article title

Hydrogen-bonding network in the organic salts of 4-nitrobenzoic acid


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The crystal structures of six novel salts of 4-nitrobenzoic acid - namely, 2-hydroxyethylammonium 4-nitrobenzoate (I), 2-hydroxypropylammonium 4-nitrobenzoate (II), 1-(hydroxymethyl)propylammonium 4-nitrobenzoate (III), 3-hydroxypropylammonium 4-nitrobenzoate (IV), bis-(2-hydroxyethylammonium) 4-nitrobenzoate (V), morpholinium 4-nitrobenzoate (VI) - containing the same anion but different cations have been studied. The ionic forms of I-VI serve as building blocks of the supramolecular architecture, and in crystals they are held together via ionic N-H···O and O-H···O hydrogen bonds. In the crystal packing the building blocks of I-III are self-assembled via N-H...O, O-H···O and C-H...O hydrogen bonds to form the chains which are further consolidated into two-dimensional layers by the same type of interactions. In IV-VI the chain-like structures have been generated by building blocks.










Physical description


1 - 9 - 2006
1 - 9 - 2006


  • Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028, Kishinev, Moldova
  • Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028, Kishinev, Moldova
  • Institute of Chemistry Timisoara, Romanian Academy, RO-300223, Timisoara, Romania
  • Institute of Chemistry Timisoara, Romanian Academy, RO-300223, Timisoara, Romania
  • IMEM-CNR, Parco Area dele Scienze, I-43010, Fontanini-Parma, Italy
  • Institute of Organoelement Compounds, Russian Academy of Sciences, R-117 813, Moscow, Russia
  • Institute of Organoelement Compounds, Russian Academy of Sciences, R-117 813, Moscow, Russia


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