Yttrium coordination polymers with layered structures |
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| Affiliation: | 1. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Box 1410, 50-950 Wrocław 2, Poland;2. Department of Bioorganic Chemistry, University of Economics, 53-345 Wroclaw, Poland;1. Interface Material and Chemical Engineering Research Center & Advanced Functional Polymer Research Center, Korea Research Institute of Chemical Technology, Daejon 305-343, Republic of Korea;2. Department of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Shilim-9-Dong, Gwanak-Gu, Seoul 151-744, Republic of Korea;1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi''an 710127, PR China;2. College of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, PR China;1. Department of Chemistry, Bacha Khan University, Charsadda, Pakistan;2. Department of Chemistry, University of Science & Technology, Bannu, Pakistan;3. Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan;4. Center of Excellence for Nanotechnology, King Fahad University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;5. Department of Physics, University of Sargodha, Sargodha, Pakistan |
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| Abstract: | A hydrothermal reaction of a mixture of Y(NO3)3·xH2O, phthalic and isophthalic acid, and phthalic acid and terephthalic acid in the presence of 1,10-phenonthroline gave rise two new two-dimensional coordination polymer, Y2(C12N2H8)2[(1,2-BDC)2(1,3-BDC)], I, Y2(C12N2H8)2[(1,2-BDC)2(1,4-BDC)], II, respectively. Both structures were solved using single crystal X-ray diffraction studies. I and II consist of a one-dimensional chain formed by the connectivity between Y3+ and 1,2-BDC anion, and cross-linked by 1,3-BDC and 1,4-BDC anions to form the layer structure. The 1,10-phenonthroline molecule, bound to yttrium, project into the interlayer space and contribute to the structural stability through favorable π…π interactions. Room temperature photoluminescence studies indicate that both I and II show strong emission, with bathochromic and hypsochromic shifts with respect the acid and 1,10-phenonthroline. |
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