| 含Schiff碱配体的超分子Co(Ⅱ)和Cu(Ⅱ)配合物的合成、表征及晶体结构 | |
| Supramolecular Cobalt(Ⅱ) and Copper(Ⅱ) Complexes with Schiff Base Ligand:Syntheses, Characterizations and Crystal Structures | |
| 摘要: 合成了2个含肟基Schiff碱Co(Ⅱ)和Cu(Ⅱ)配合物Co(L1)2(1)和Cu(L2)2(2)。X射线单晶衍射分析结果表明,配合物1和2具有相似的结构,均由1个中心金属离子和2个双齿配体单元组成,且金属离子的配位数为4,具有平面四边形结构。配合物1和2均属于三斜晶系,空间群均为P1。配合物1的晶胞参数为a=1.15640(11) nm,b=1.37681(12) nm,c=1.38859(13) nm,α=63.7760(10)°,β=87.400(2)°,γ=84.280(2)°;配合物2的晶胞参数为a=1.15642(9) nm,b=1.37219(13) nm,c=1.40440(12) nm,α=63.6830(10)°,β=87.227(2)°,γ=84.8830(10)°。2个配合物分子均通过分子间C-H…O和C-H…π氢键作用以及分子间π…π堆积作用相连接,形成了二维层状超分子结构。 | |
| 关键词: 钴(Ⅱ)配合物 铜(Ⅱ)配合物 晶体结构 Schiff碱配体 超分子结构 | |
| 基金项目: 兰州交通大学青年科学基金项目(No.2011007)、兰州交通大学研究生教改项目(No.160012)和甘肃省科技支撑计划项目(No.1204GKCA052)资助 | |
| Abstract: Supramolecular cobalt(Ⅱ) and copper(Ⅱ) complexes, Co(L1)2(1) and Cu(L2)2(2), (HL1=1-(4-{[(5-chlor-2-hydroxyphenyl)methylene]amino}phenyl)ethanone O-benzyloxime, HL2=1-(4-{[(3,5-bromine-2-hydroxyphenyl)meth-ylene]amino}phenyl)ethanone O-benzyloxime), have been synthesized and characterized structurally. X-ray structure showed that complexes 1 and 2 have the similar structure, consisting of one metal ion, two ligand units. The complexes 1 and 2 both crystallize in triclinic system, space groups are P1 with the unit cell parameters for complex 1:a=1.15640(11) nm, b=1.37681(12) nm, c=1.38859(13) nm, α=63.7760(10)°, β=87.400(2)°, γ=84.280(2)°, and for complex 2:a=1.15642(9) nm, b=1.37219(13) nm, c=1.40440(12) nm, α=63.6830(10)°, β=87.227(2)°, γ=84.8830(10)°. The Co(Ⅱ) and Cu(Ⅱ) atoms are both four-coordinated in a trans-CuN2O2 slightly distorted square-planar geometry by two hydroxyl O and two imine N atoms from two symmetry-related N,O-bidentate Schiff base ligands. Moreover, every Co(Ⅱ) or Cu(Ⅱ) complex molecule links some other molecules into an infinite 2D layer supramolecular structure via intermolecular C-H…O hydrogen bonding, C-H…π and π-π stacking interactions between neighboring benzene rings. | |
| Keywords: Co(Ⅱ) complex Cu(Ⅱ) complex crystal structure oxime-type ligand supramolecular | |
| 投稿时间：2016-01-20 修订日期：2016-04-04 | |
| 摘要点击次数: 1933 | |
| 全文下载次数: 1930 | |
| 孙银霞,赵亚元,李春宇,俞彬,郭建强,李璟.含Schiff碱配体的超分子Co(Ⅱ)和Cu(Ⅱ)配合物的合成、表征及晶体结构[J].无机化学学报,2016,32(5):913-920. | |
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