Dipyridyl bridged coordination polymers of Cu(II): Synthesis,crystal structure and magnetic study |
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| Authors: | Subal Chandra Manna Joan Ribas Ennio Zangrando Nirmalendu Ray Chaudhuri |
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| Institution: | 1. Department of Chemistry, Suri Vidyasagar College, Suri 731 101, Birbhum, India;2. Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India;3. Departament de Química Inorgánica, Universitat de Barcelona, Diagonal, 647, 08028 Barcelona, Spain;4. Dipartimento di Scienze Chimiche, University of Trieste, 34127 Trieste, Italy |
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| Abstract: | Two coordination polymers, Cu(bpp)(H2O)2(ClO4)2]n (1) and {Cu(bpds)2(ClO4)2] · 1.5(H2O)}n (2) bpp, 1,3-bis(4-pyridyl)propane and bpds, 4,4′-bipyridyl disulfide] have been synthesized and characterized by X-ray single crystal diffraction study and magnetic measurement. Both the coordination polymers display 1D chains with perchlorate anions acting as pendant ligands. In 1 undulated polymers are built by Cu(H2O)2(ClO4)2 units connected by single bpp and in complex 2 Cu(ClO4)2 fragments are linked by pairs of bpds ligands to form a double-stranded chain. The crystal packing evidences polymers of 1 involved in weak H-bonding interactions leading to a 3D supramolecular network. Magnetic study reveals weak antiferromagnetic interactions in both complexes. |
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| Keywords: | Cu(II) Coordination polymer Crystal structure Magnetic behavior |
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