Supramolecular architectures based on di-, tri-and tetrameric complexes with N,N′-diacylhydrazide ligands

  • Li D
  • Wang S
  • Xu H
 et al. 
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Five new complexes, [Co3(HL1)2(Py)8]·4CH3OH (1), [Ni3(HL1)2(Py)4]2·2DMF (2), [Co3(H2L2)2(Py)8] ·2NO3(3), [Ni2(HL2)(Py)6] (4) and [Cu4(HL2)2(Py)4]·4DMF (5) (H4L1= N-propionyl-4-hydroxysalicylhydrazide, H44-hopshz; H5L2= N-(3-carboxy-cis-2-propenoyl) -4-hydroxysalicylhydrazide, H54-hocpshz) have been obtained from two N,N′-diacylhydrazide ligands and characterized by elemental analysis, FT-IR, X-ray diffraction and antimicrobial activities. These di-, tri-, and tetrameric complexes are connected into three-dimensional supramolecular architectures with interesting topologies through O-H⋯O, C-H⋯O and C-H⋯π interactions. 1-3 are linear trimeric complexes with the ligands triply-deprotonated. Topological analysis indicates that they exhibit 2D (4,4), 3D (6,8)-connected (3349526)(3441257647) and 8-connected (42563) net, respectively. 4 and 5 possess dimeric and tetrameric structures, which are extended into 7-connected (33413536) and 4-connected (4,4) net, respectively. © 2010 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • (6,8)-Connected
  • 7-Connected
  • 8-Connected
  • N,N′-diacylhydrazide ligands
  • Supramolecular interactions

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