Abstract
[Cu(pydc)(apyz)(H2O)2] (1) (where pydcH2 = pyridine-2,6-dicarboxylic acid; apyz = 2- aminopyrazine) has been synthesized and characterized by elemental analysis, IR spectroscopy and single crystal X-ray diffraction techniques. Crystallographic analysis revealed that complex 1 has distorted octahedral geometry with pydcH2 coordinated as tridentate ligands to metal ion through two oxygen atoms of each carboxylate group, nitrogen atom of the pyridine ring and the auxiliary ligand pyrazine nitrogen atom form basal plane and apical positions are occupied by two oxygen atoms of water molecules. In addition, the coordination compounds are connected by a variety of non covalent interactions like OH … π, lone pair … π, π … π and hydrogen bonds. The evaluation of these noncovalent interactions is useful for rationalizing their influence in the crystal packing. In addition, electrical current measured at room temperature on thin film before and after annealed is in the order of 229 μA and 246 μA respectively with bias voltage 1 V.
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