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配位聚合物{[Zn(TSC)(MAL)]·H_2O}_n的制备及结构表征(英文)

Preparation and Structure Characterization of Coordination Polymer:{[Zn(TSC)(MAL)]·H_2O}_n
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摘要 The novel ZnⅡ complex, {[Zn(TSC)(MAL)]·H2O}n (1), where TSC is thiosemicarbazide and MAL is malonate radicle), was synthesized by self-assembling from the reaction of stoichiometric zinc chloride, thiosemicarbazide and malonic acid in solution at pH 4.5 ̄5.0. The structural and physicochemical properties were characterized by X-ray diffraction, infrared spectroscopy, electronic spectra and thermal analysis. The crystal data for the title coordination polymer: Monoclinic, P21/c, β=107.808(1)°, a=0.93759(1) nm, b=1.11083(1) nm, c= 0.92100 (2) nm, Z=2, μ=2.919 mm-1, R1=0.0390, wR2=0.0994. The structure feature is that the bridging dicarboxylates effectively link the zinc centers to form polymeric chain in a zig-zag way, which is stabilized by N- H…O, N- H…S and O- H…O hydrogen bonds. CCDC: 231861. The novel Zn^Ⅱ complex, {[Zn(TSC)(MAL)]·H2O}n (1), where TSC is thiosemicarbazide and MAL is malonate radicle), was synthesized by self-assembling from the reaction of stoichiometric zinc chloride, thiosemicarbazide and malonic acid in solution at pH 4.5-5.0. The structural and physicochemical properties were characterized by X-ray diffraction, infrared spectroscopy, electronic spectra and thermal analysis. The crystal data for the title coordination polymer: Monoclinic, P2 1/c,β=107.808(1)°, a=0.937 59(1) nm, b=1.110 83(1) nm, c= 0.92100 (2) nm, Z=2, μ=2.919 mm^-1, R1=0.0390, wR2=0.0994. The structure feature is that the bridging dicarboxylates effectively link the zinc centers to form polymeric chain in a zig-zag way, which is stabilized by N-H…O, N-H…S and O-H…O hydrogen bonds. CCDC: 231861.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2006年第1期119-123,共5页 Chinese Journal of Inorganic Chemistry
基金 国家自然科学基金资助项目(No.50532030 50335050) 安徽省教育厅自然科学基金资助项目(No.2005KJ101) 马来西亚科技大学研究基金(R&DNo.305/PFIZIK/610961)。
关键词 自组装 配位聚合物 超分子 晶体结构 self-assembly coordination polymer supramolecular crystal structure
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