基于双吡啶脲类Cd(Ⅱ)、Zn(Ⅱ)、Hg(Ⅱ)配合物的合成及晶体结构 |
Syntheses and Crystal Structures of Cd(Ⅱ), Zn(Ⅱ) and Hg(Ⅱ) Complexes Based on Bis(pyridylurea) Ligand |
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摘要: 间苯二胺和3-吡啶异氰酸酯在甲苯中加热回流得到双吡啶脲类配体L,然后将配体分别与CdSO4·8H2O,ZnI2,HgI2,HgCl2进行配位反应,得到4个配合物{[Cd(L)(SO4)(H2O)3]·H2O}n(1),{[Zn(L)I2]·2C2H5OH}n(2),{[Hg(L)I2]·C2H5OH}n(3),[Hg(L)Cl2]·H2O(4),并用元素分析、FT-IR、X射线单晶衍射、粉末衍射对其进行了表征。配合物1形成一维螺旋链结构,配合物2和3形成一维"之"字链结构,配合物4形成32元环状结构。 |
关键词: 双吡啶脲类配体 Cd(Ⅱ)配合物 Zn(Ⅱ)配合物 Hg(Ⅱ)配合物 晶体结构 |
基金项目: 贵州省科技计划课题(No.黔科合LH字[2014]7090)、贵州省科技计划课题(No.黔科合LH字[2015]7346)、贵阳市科技局-贵州医科大学联合基金(No.GY2015-41)和贵阳市科技局-贵州医科大学联合基金(No.GY2015-14)资助项目。 |
Abstract: The urea-based pyridyl ligand L was synthesized from the reaction of 1,3-Benzenediamine with 3-isocyanatopyridine in toluene heating to reflux. CdSO4·8H2O, ZnI2, HgI2 and HgCl2 reacted with L to give the complexes {[Cd(L)(SO4)(H2O)3]·H2O}n (1), {[Zn(L)I2]·2C2H5OH}n (2), {[Hg(L)I2]·2C2H5OH}n (3),[Hg(L)Cl2]·H2O (4), which were characterized by elemental analysis, FT-IR, single crystal X-ray diffraction and powder X-ray diffraction. Complex 1 forms a one-dimensional helix chain structure, complex 2 and complex 3 show a one-dimensional zigzag chain structure and complex 4 shows a 32-membered ring. |
Keywords: bis(pyridylurea) ligand Cd(Ⅱ) complex Zn(Ⅱ) complex Hg(Ⅱ) complex crystal structure |
投稿时间:2017-01-01 修订日期:2017-03-11 |
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董翊天,凃波,徐红,黄亚励,张奇龙,胡宗超,朱必学.基于双吡啶脲类Cd(Ⅱ)、Zn(Ⅱ)、Hg(Ⅱ)配合物的合成及晶体结构[J].无机化学学报,2017,33(4):651-658. |
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