Nura Suleiman Gwaram - [(1S,2S)-2-(1-{[2-(2-Oxidobenzylideneamino) cyclohexyl]imino}ethyl)- phenolato-j4O,N,N0,O0]copper(II)

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  Publication Details (including relevant citation   information):

  Nura Suleiman Gwaram, Hamid Khaledi* and Hapipah
  Mohd Ali
  Department of Chemistry, University of Malaya, 50603 Kuala   Lumpur, Malaysia
  Correspondence e-mail:
  Received 29 May 2010; accepted 14 June 2010
  Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C)   = 0.006 A°
  R factor = 0.048; wR factor = 0.091; data-to-parameter ratio =   19.4.


  In the title compound, [Cu(C21H22N2O2)], the cyclohexyl ring
  adopts a chair conformation with the two imine groups linked
  at equatorial positions. The CuII ion is coordinated by two N
  atoms and two O atoms from the bis-Schiff base ligand in a
  slightly distorted square-planar geometry. The dihedral angle
  between the two benzene rings is 45.89 (9). The crystal
  structure is devoid of any classical hydrogen bonds. However,
  intermolecular C—H O interactions are present and
  stabilize the structure.
  Related literature
  For the crystal structures of a similar symmetrical compound
  see: Yao et al. (1997). For metal complexes of unsymmetrical
  bis-Schiff bases, see: Lashanizadegan & Boghaei (2002);   Rabie
  et al. (2008).

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