8-Aminoquinoline (8-aq) and its derivatives have been attracted much attention because of antiprotozal and other medicinal properties and also for their luminescence characteristics. 8-aq with possessing -NH2 group and N atom of pyridine ring is good candidate for constructing of supramolecular networks, not only for capability coordinating to metal ion as bidentate ligand but also for ability participating to H-bond and accepting proton. This property of it leads to synthesis materials for molecular recognition.In this contribution, the new supramolecular network constructed with discrete coordination compound, (8-aq)[Cr(pydc)2].2H2O (pydcH2: pyridine-,6-dicarboxylic acid), has been synthesized and characterized with elemental analysis, infra-red spectroscopy, and Melting point and single crystal X-ray diffraction. Cr(III) has been six coordinated with polyhedron CrN2O4 and distorted octahedron geometry in which (pydc)2- act as tridentate ligand. A-aq has been accepted a proton and neutralized a negative charge of complex and affects on ultimate supramolecular network with usage of excess intermolecular interactions.

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