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邻-(4-甲基苯甲酰基)-苯甲酸双核镉(Ⅱ)配合物的水热合成、晶体结构及热稳定性

Hydrothermal Synthesis, Crystal Structure and Thermal Stability of Binuclear Cadmium Complex with the o-Methylbenzoyl-benzoic Acid

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【作者】 李薇李昶红杨颖群李玉林

【Author】 LI Wei*,1 LI Chang-Hong2 YANG Ying-Qun1 LI Yu-Lin1 (1Department of Chemistry and Materials Science, Hengyang Normal University, Hengyang, Hunan 421008) (2Department of Materials & Chemical Engineering, Hunan Institute of Technology, Hengyang, Hunan 421002)

【机构】 衡阳师范学院化学与材料科学系湖南工学院材料与化学工程系

【摘要】 <正>羧酸因其具有多样的配位方式、羧基氧原子易参与形成氢键以及本身能减缓抗衡离子效应的负电性而被广泛应用于配合物的合成中[1-4]。目前,研究主要集中于苯甲酸及其衍生物构筑的配合物,而其

【Abstract】 One novel binuclear cadmium(Ⅱ) Complex [Cd2(phen)2(C15H11O3)4]·(H2O) with o-methylbenzoyl-benzoic acid and 1,10-phenanthroline(phen) has been synthesized by means of hydrothermal way and characterized. It was characterized as crystallizing in the Triclinic space group P1, with a=1.1155(2)nm, b=1.2069(2)nm, c=1.4355(3) nm, α=99.79(3)°, β=111.27(3)°, γ=98.17(3)°, V=1.730 5(6) nm3, Dc=1.514 g·cm-3, Z=1, F(000)=804. Final GooF= 1.060, R1=0.024 7, wR2=0.063 2. The crystal structure shows that the cadmium ion is coordinated with four oxygen atoms from three o-methylbenzoyl-benzoic acid radical, two nitrogen atoms from one 1,10-phenanthroline molecule, forming a distorted octahedral coordination geometry. There exist two coordination types with the omethylbenzoyl-benzoic acid, which coordination with the center cadmium ion with the bridging and chelating bidentatein types. Two o-methylbenzoyl-benzoic acid molecules and two cadmium(Ⅱ) ions form a octatomic ring structure, and the Cd(Ⅱ)…Cd(Ⅱ) distance is 0.419 8 nm. The result of TG analysis shows that the title complex was stable under 220.0 ℃.

【基金】 湖南省科技厅项目(No.2008FJ3023,2009FJ3101);湖南省重点建设学科资助项目
  • 【文献出处】 无机化学学报 ,Chinese Journal of Inorganic Chemistry , 编辑部邮箱 ,2010年01期
  • 【分类号】O627.24
  • 【被引频次】3
  • 【下载频次】228
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