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Articles by Veysel T. Yilmaz
Total Records ( 1 ) for Veysel T. Yilmaz
  M. Suat Aksoy , Veysel T. Yilmaz and Orhan Buyukgungor
  Three new complexes, [Cu(barb)2(aepip)] · 0.5H2O (1), [Cu(barb)2(aepyrd)] (2), and [Cu(barb)2(aemrph)] (3), have been synthesized by reaction of 5,5-diethlybarbiturate anion (barb) with copper(II) in the presence of (2-aminoethyl)piperidine (aepip), -pyrrolidine (aepyrd), and -morpholine (aemrph). All complexes were characterized by elemental analysis, spectroscopic (IR and UV/Vis), thermal (DTA-TGA), and magnetic susceptibility measurements. X-ray single crystal diffraction shows that 1 and 2 are discrete mononuclear species, in which copper(II) is coordinated by two bidentate barb ligands and a chelating aepip or aepyrd, forming a square-pyramidal coordination geometry. Complexes 1 and 2 show unequal coordination of barb, one N-coordinate, and one bidentate. Complex 3 is also mononuclear, but copper(II) is square-planar with two N-coordinated barb and one bidentate aemorph. Molecules of 1-3 are bridged by strong hydrogen bonds to generate 1-D or 2-D supramolecular networks. Spectral and thermal data for 1-3 are in agreement with crystal structures.
 
 
 
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