| 两个基于2-甲基-5-(2-吡啶基)-1，3，4-噁二唑的镉(Ⅱ)配位聚合物的合成、晶体结构及表征 |
| Syntheses, Crystal Structures and Characterization of Two Polymeric Cadmium(Ⅱ) Complexes Based on 2-Methyl-5-(2-pyridyl)-1,3,4-oxadiazole |
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| 摘要: 以2-甲基-5-（2-吡啶基）-1，3，4-噁二唑（L）为配体合成了2个镉（Ⅱ）配位聚合物：[Cd2（L）2（μ-SCN）4]n（1）和[Cd2（L）2（μ-Cl）4]n（2），测定了它们的单晶结构，并用紫外光谱、荧光光谱及热重分析进行了表征。配合物1和2分别属于三斜和单斜晶系，空间群分别为P1和P21/n。配合物1是通过2个硫氰酸根负离子桥联形成的双桥镉（Ⅱ）配位聚合物，中心Cd1（Ⅱ）原子具有畸变的八面体构型[CdN4S2]。配合物2是通过2个氯离子桥联形成的双桥镉（Ⅱ）配位聚合物，中心镉（Ⅱ）原子具有畸变的八面体构型[CdCl4N2]。配合物1和2都具有荧光性质。 |
| 关键词: 1,3,4-噁二唑 合成 晶体结构 镉(Ⅱ)配合物 荧光 |
| 基金项目: |
| Abstract: Two polymeric cadmium (Ⅱ) complexes derived from 2-methyl-5-(2-pyridyl)-1, 3, 4-oxadiazole (L), [Cd2(L)2(μ-SCN)4]n (1) and[Cd2(L)2(μ-Cl)4]n (2), were synthesized and characterized by single crystal X-ray diffraction, UV-visible spectra, fluorescence and thermogravimetric analysis (TGA). Complexes 1 and 2 crystallize in triclinic and monoclinic system, respectively. The space groups of complexes 1 and 2 are P1 and P21/n, respectively. Complex 1 is a double-bridged cadmium(Ⅱ) polymer bridged by two thiocyanate anions, and the central Cd1(Ⅱ) ions have distorted octahedral geometries[CdN4S2]. Complex 2 is a double-bridged cadmium(Ⅱ) polymer bridged by two chloride anions, and the central cadmium(Ⅱ) ions have distorted octahedral geometries[CdCl4N2]. Both complexes 1 and 2 have fluorescence properties. |
| Keywords: 1,3,4-oxadiazole synthesis crystal structure cadmium(Ⅱ) complex fluorescence |
| 投稿时间：2020-02-02 修订日期：2020-06-06 |
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| 孙爱晶,卜德艳,章慧,王作祥.两个基于2-甲基-5-(2-吡啶基)-1，3，4-噁二唑的镉(Ⅱ)配位聚合物的合成、晶体结构及表征[J].无机化学学报,2020,36(10):1959-1966. |
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