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Hg(Ⅱ) Coordination Polymers Based on trans-Bis(β-diketone)cyclohexanediimine Ligands: Syntheses and Crystal Structures
Author NameAffiliationE-mail
CAI Xue-Yu School of Clinical Laboratory Science, Guizhou Medical University, Guiyang 550004, China  
ZHANG Qi-Long Department of Chemistry, School of Basic Medical Sciences, Guizhou Medical University, Guiyang 550004, China gzuqlzhang@126.com 
Abstract: Four mercury(Ⅱ) complexes, namely[Hg2(L1)Cl4]n (1), {[Hg2(L2)Cl4]·L2}n (2),[Hg2(L1)I4]n (3) and[Hg2(L2)I4]n (4), have been obtained by the reaction of mercury salts with two bis(β-diketone) Schiff bases (L1=trans-bis(acetylacetone)-1,4-diaminocyclohexane, and L2=trans-bis(benzoylacetone)-1,4-diaminocyclohexane) in the ethanol solution. The structures of these complexes were characterized by elemental analysis, infrared spectroscopy, powder X-ray diffraction and X-ray single-crystal diffraction. In the solid state, the center Hg(Ⅱ) ions connect with γ-C atoms and three Cl-ions to form a one-dimensional chain in complexes 1, 2. In complex 3 the center Hg(Ⅱ) ions connect with O atoms and three I- ions to form a two-dimensional net structure, while in complex 4 the center Hg(Ⅱ) ions connect with O atoms and three I-ions to form a one-dimensional chain.
Keywords: β-diketone  Schiff base  Hg(Ⅱ) coordination polymers  crystal structure
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CAI Xue-Yu,ZHANG Qi-Long.Hg(Ⅱ) Coordination Polymers Based on trans-Bis(β-diketone)cyclohexanediimine Ligands: Syntheses and Crystal Structures[J].Chinese Journal of Inorganic Chemistry,2018,34(4):633-638.
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Chinese Journal of Inorganic Chemistry