Synthesis,characterization and X-ray structure of one-dimensional polymeric complexes with triangular molybdenum clusters as building blocks: Na2Ga2[Mo3O4(O2CEt)8]2 and Na2AlGa[Mo3O4(O2CEt)8]2 |
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| Institution: | 1. School of Chemistry, College of Science, University of Tehran, Tehran, Iran;2. School of Chemical engineering, University of Tehran, Tehran, Iran;3. Research Institute of Petroleum Industry, PO Box 18745 4163, Tehran, Iran;1. Necmettin Erbakan University, A.K. Education Faculty, Department of Chemistry Education, Research Laboratory, Konya, Turkey;2. Agri Ibrahim Cecen University, Education Faculty, Department of Science Education, Agri, Turkey;3. Dumlupinar University, Faculty of Arts and Science, Department of Chemistry, Kutahya, Turkey;4. Sinop University, Department of Scientific and Technological Research Application and Research Center, Sinop, Turkey;5. Selcuk University, Faculty of Science, Department of Physics, Konya, Turkey;6. Necmettin Erbakan University, A.K. Education Faculty, Department of Science Education, Konya, Turkey;1. Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada;2. Aquatic Ecosystems Protection Research Division, Water Science and Technology Directorate, 11 Innovation Boulevard, Saskatoon, Saskatchewan S7N 3H5, Canada |
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| Abstract: | The heterometallic polymeric cluster complexes Na2Ga2Mo3O4(O2CEt)8]2 (1) and Na2AlGaMo3O4(O2CEt)8]2 (2) have been prepared by reaction of Mo(CO)6, NaMoO4·2H2O with GaCl3 and a mixture of AlCl3 and GaCl3 (1:1 molar ratio), respectively, in heated propionic anhydride and characterized by X-ray crystallography. The structures are isostructural and each consists of two triangular propionate cluster units Mo3O4(O2CEt)8]4?, which act as polydentate ligands to link trivalent heterometal and sodium ions forming one-dimensional chain structures. Both clusters decompose in 2 M HCl at room temperature to produce discrete Mo3O4]4+ cluster units. Thermal analysis of 1 reveals that the complex is air stable up to 250°C. IR spectra show the characteristic bands of Mo3O4]4+ cores at 745–812 cm?1. |
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