Novel mixed ligand complexes of Co(II), Ni(II), Cu(II), and Zn(II) with 1,10-phenanthroline and acesulfame. Synthesis,structural analysis and hydrogen adsorption study |
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Authors: | Zarife Sibel ?ahin Mehmet Demir Tu?rul Y?ld?r?m Ömer Yurdakul Dursun Ali Köse |
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Affiliation: | 1. Department of Energy Systems Engineering, Faculty of Engineering and Architecture, Sinop University, 57000, Sinop, Turkey;2. Department of Interdisciplinary Nuclear Energy and Energy Systems, Instutute of Graduate Studies, Sinop University, 57000, Sinop Turkey;3. Hitit University, Technical Sciences Vocational School, Department of Property Protection and Safety, 19100, Çorum, Turkey;4. Department of Chemistry, Science and Arts Faculty, Hitit University, Ulukavak, 19100, Çorum Turkey |
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Abstract: | Four novel metal organic framework (MOF) structures containing acesulfame (ace) and 1,10-phenanthroline (phen) ligands of Co2+, Ni2+, Cu2+ and Zn2+ metal cations were synthesized. The crystal structure analysis of three compounds (1, 2, and 3) was also performed. The structural formula for complex 4 is proposed based on spectroscopic and thermal analysis data. It has been determined that structures 1, 2, and 4 are in a distorted octahedral geometry. It has been suggested that the charge balance of the coordination sphere with 2+ is provided by two monoanionic ace ligands located outside the coordination sphere as counter-ion. In structure 3, there are two CuII metal cations, two phen ligands coordinated as bidentate to each metal cation and ace ligand that provides monoanionic-monodentate coordination. The Cu2+ cation has distorted bipyramidal geometry. The maximum hydrogen gas adsorption has been found 1.4575 mL/g (0.046 wt%) for the Ni complex. |
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Keywords: | Acesulfame 1 10-Phenanthroline Coordination compounds Structural properties Thermal decomposition Hydrogen adsorption |
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