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Four mixed-ligands lead(II) complexes based on 8-hydroxyquinolin (8-HQuin), [Pb(8-Quin)X]; X = 4-pyridinecarboxylate, acetate, thiocyanate and nitrate; structural and thermal studies |
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| Authors: | Gholam Hossein Shahverdizadeh Ali Akbar Soudi Ali Morsali Pascal Retailleau |
| Affiliation: | aDepartment of Chemistry, Zanjan University, P.O. Box 45195-313, Zanjan, Iran bDepartment of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14155-4838, Tehran, Islamic Republic of Iran cService de Cristallochimie, ICSN-CNRS, Bât 27, 1 Avenue de la Terrasse, 91198, Gif/Yvette Cedex, France |
| Abstract: | Lead(II) 8-hydroxychinolate complexes (8-Quin) containing four different anions, [Pb(8-Quin)X]; X = 4-pyridinecarboxylate (1), acetate (2), thiocyanate (3) and nitrate (4), have been synthesized and characterized by elemental analysis, IR-, 1H NMR- and 13C NMR-spectroscopy. All these compounds were structurally characterized by single-crystal X-ray diffraction. The thermal stabilities of compounds 1–4 were studied by thermal gravimetric (TG) and differential thermal analyses (DTA). The results show the influence of different counter-ions to form dimers in compound 2, one-dimensional polymer in compound 4 and two-dimensional polymer in compounds 1 and 3. |
| Keywords: | 4-Pyridinecarboxylate 8-Hydroxyquinolate Lead(II) X-ray diffraction |
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