Abstract
The title proton transfer complex was isolated from the reaction of CuCl2·2H2O with pyridine-2,6-dicarboxylic acid (dipic-H2) in presence of 3-amino-1-propanol (PA) under reflux condition. It was thoroughly characterized by FAB-mass, FT-IR, electronic (ligand field), EPR spectroscopic and X-ray crystallographic techniques. The complex crystallizes in the space group C1c1 of the monoclinic system. The unit cell parameters are, a=17.247(5), b=20.058(5)Å, c=15.320(4)Å and β=109.235(5)°. Extensive H-bonding between the complex anion [Cu(dipic)2]2− and the surrounding cations [PA-H]+ results in a 3D network, supported with additional π–π interactions of the ligand (dipic)2− neighboring units. The SOD mimic activity of the present complex was also examined using NBT assay.
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