Nanoparticles of a New Potassium(I) Coordination Polymer from Thermal Treatment with Oleic Acid: Syntheses, Characterization, Thermal, Structural and Solution Studies |
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| Authors: | Jamal Asadpoor Rahmatollah Rahimi Kamran Akhbari Ali Morsali |
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| Affiliation: | (1) Faculty of Chemistry, Iran University of Science and Technology, PO Box 14155-4838, Tehran, Islamic Republic of Iran;(2) Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, PO Box 14155-4838, Tehran, Islamic Republic of Iran; |
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| Abstract: | Nanoparticles of a new potassium two-dimensional coordination polymer, {[K2(μ4-L)2(μ-H2O)4]n·nH2O} (1), HL = 3-{[(4-nitrophenyl)methylen]amino}benzoic acid} were synthesized from thermal treatment of compound 1 with oleic acid at 523 K. The nanoparticles were characterized by scanning electron microscopy and FT-IR spectroscopy. Compound 1 was structurally characterized by single-crystal X-ray diffraction. The crystal structure of this compound indicates that the coordination number for the potassium ions is seven. A hydrogen bonding network and π-π stacking interactions result in more stability of compound 1 crystal packing. The thermal stability of compound 1 was studied by thermal gravimetric (TG) and differential thermal analyses (DTA). The results of stoichiometry studies and formation of compound 1 in MeCN solution were found to be in support of its solid state stoichiometry and show the 1:1 complex formation between the L− and K+ ion in MeCN solution. |
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