Mercury thiocyanate coordination polymers generated from rigid or flexible organic nitrogen donor-based ligands |
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| Authors: | Ghodrat Mahmoudi Ali Morsali Long-Guan Zhu |
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| Institution: | 1. Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Islamic Republic of Iran;2. Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China |
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| Abstract: | Four mercury(II) thiocyanate–organic polymeric complexes, Hg(μ-4,4-bipy)(SCN)2]n (1), Hg(μ-bpa)(SCN)2]n (2), Hg(μ-bpe)(SCN)2]n (3), Hg(μ-bpp)(SCN)2]n (4) {4,4-bipy = 4,4′-bipyridine, bpa = 1,2-bis(4-pyridyl)ethane, bpe = 1,2-bis(4-pyridyl)ethene and bpp = 1,3-di(4-pyridyl)propane} were prepared from reactions of mercury(II) thiocyanate with four rigid and flexible organic nitrogen donor-based ligands under thermal gradient conditions, brunched tube method. All these compounds were structurally determined by X-ray single-crystal diffraction. The thermal stabilities of compounds 1–4 were studied by thermal gravimetric (TG) and differential thermal analyses (DTA). Solid state luminescent spectra of compounds 1 and 3 indicate intense fluorescent emissions at 430 and 468 nm, respectively. |
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| Keywords: | Mercury(II) 4 4&prime -Bipyridine 1 2-Bis(4-pyridyl)ethane 1 2-Bis(4-pyridyl)ethane 1 3-Di(4-pyridyl)propane Coordination polymer |
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