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Acta Crystallographica Section C: Crystal Structure CommunicationsVolume 67, Issue 7, July 2011, Pages m230-m233

Catena-Poly[[[(di-2-pyridylamineκ2N2,N 2′)copper(II)]-μ-benzene-1,3-dicarboxylato-κ3O 1,O1′:O3] monohydrate], a zigzag coordination polymer with strong π-π Interactions(Article)

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  • aDepartment of General and Inorganic Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
  • bLaboratory of Crystallography, Faculty of Mining and Geology, University of Belgrade, D stroke sign ušina 7, 11000 Belgrade, Serbia

Abstract

The novel title coordination polymer, {[Cu(C8H4O 4)(C10H9N3)]·H 2O}n, synthesized by the slow-diffusion method, takes the form of one-dimensional zigzag chains built up of CuII cations linked by benzene-1,3-dicarboxyl-ate (ipht) anions. An exceptional characteristic of this structure is that it belongs to a small group of metal-organic polymers where ipht is coordinated as a bridging tridentate ligand with monodentate and chelate coordination of individual carboxyl-ate groups. The CuII cation has a highly distorted square-pyramidal geometry formed by three O atoms from two ipht anions and two N atoms from a di-2-pyridyl-amine (dipya) ligand. The zigzag chains, which run along the b axis, further construct a three-dimensional metal-organic framework via strong face-to-face π-π inter-actions and hydrogen bonds. A solvent water mol-ecule is linked to the different carboxyl-ate groups via hydrogen bonds. Thermogravimetric and differential scanning calorimetric analyses confirm the strong hydrogen bonding. © 2011 International Union of Crystallography.

Indexed keywords

Engineering uncontrolled termsCopper (ii)Di-2-pyridylamineDifferential scanning calorimetric analysisMetal organic frameworkMetal-organic polymersMonodentatesSmall groupsSquare-pyramidal geometryTitle coordination polymersTridentate ligandsZigzag chainsZigzag coordination polymers
Engineering controlled terms:BenzeneHydrogenLigandsOrganic polymersPositive ions
Engineering main heading:Hydrogen bonds
  • ISSN: 01082701
  • CODEN: ACSCE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1107/S0108270111022451
  • Document Type: Article

  Rogan, J.; Department of General and Inorganic Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Serbia;
© Copyright 2012 Elsevier B.V., All rights reserved.

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