Hydrothermal synthesis of two new zinc coordination polymers with mixed ligands |
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| Affiliation: | 1. Vocational School of Health Services, Bartın University, Bartın, Turkey;2. Department of Chemistry, Eskişehir Osmangazi University, Eskişehir, Turkey;3. Scientific and Technological Research Application Center, Sinop University, Sinop, Turkey;1. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, PR China;2. School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou 362000, China;1. Department of Chemistry, National Institute of Technology Raipur, G.E. Road, Raipur 492010, Chhattisgarh, India;2. School of Chemical Sciences, Goa University Taleigao Plateau, Taleigao, Goa 403206, India;3. CSIR-Indian Institute of Petroleum, Haridwar Road, Mokhampur, Dehradun 248005, India;1. Institute for Nanotechnology and Water Sustainability, CSET, University of South Africa, Johanesburg, 1710, South Africa;2. Department of Physics, CSET, University of South Africa, Johannesburg, 1710, South Africa;3. Energy, Water, Environmental and Food Sustainable Technologies (EWEF-susTech), Johannesburg, 1709, South Africa |
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| Abstract: | The hydrothermal reactions of zinc acetate with 1,2,4,5-benzenetetracarboxylic anhydride (btc) and 4,4′-bipyridine (4,4′-bpy) for Zn2(4,4′-bpy)(btc)(H2O)2]n·2nH2O (1) or imidazole (imi) for Zn2(imi)4(btc)(H2O)2]n (2) in the molar ratio of 1:1:1:2000 at 170 °C for five days led to the formation of colorless crystals of 1 and 2. The btc ligand acts as a four-dentate bridging ligand in both compounds to link up zinc atoms into linear chain architectures. In 1, the linear chain subpolymers are further interlinked into a lamellar framework via 4,4′-bpy ligands. Finally, both 1 and 2 are extended into three-dimensional framework via hydrogen bonding. |
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