Different spatial arrangements in the 4-nitrophthalic acid salts

  • Karmakar A
  • Baruah A
  • Baruah J
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The crystal structure of three salts of 4-nitrophthalic acid with pyridine (1), 2-amino pyridine (2) and with 8-aminoquinoline (3) are determined. The role of weak and strong hydrogen bonding in crystal packing is ascertained. It is observed that the orientation of the 4-nitrophthalic acid in the lattice is governed by the hydrogen bonding; either sheet-like structure or helical chain can be constructed based on the amine under consideration. © 2008 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • 4-Nitrophthalic acid
  • Co-crystal
  • Crystal structure
  • Helicity
  • Pattern generation

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