2,6-二[N-(1'-甲基-2'-羟乙基)氨甲酰基]吡啶镉(Ⅱ)配合物的合成、晶体结构及液膜传输性研究  被引量:1

Synthesis,Crystal Structure and Liquid Membrane Transport Property of Cadmium( Ⅱ) Complex with 2,6-Bis[N-( 1'-methyl-2'-hydroxyethyl) carbamoyl]pyridine

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作  者:罗世霞[1] 陈晓靓[2] 顾曼琦[1] 朱必学[3] 朱淮武[1] 卫钢 

机构地区:[1]贵州师范大学化学与材料科学学院,贵州贵阳550001 [2]贵阳护理职业学院,贵州贵阳550081 [3]贵州大学大环及超分子化学重点实验室,贵州贵阳550025 [4]CSIRO Manufacturing and Mineral Resources Flagship,PO Box 218,Lindfield,NSW 2070,Australia

出  处:《化学试剂》2015年第8期692-696,714,共6页Chemical Reagents

基  金:教育部春晖计划合作科研基金资助项目(Z2014092);贵州省科学技术基金资助项目(黔科合LH字(2014)7054号)

摘  要:以2,6-二[N-(1'-甲基-2'-羟乙基)氨甲酰基]吡啶为配体与Cd(NO3)2·4H2O反应,合成了一个单核镉(Ⅱ)配合物,通过元素分析、红外光谱、紫外光谱及X-射线单晶衍射法对其结构进行了表征。结构分析表明,该配合物属三斜晶系,P-1空间群,晶胞参数a=0.938 22(18)nm,b=0.944 74(19)nm,c=1.299 9(2)nm,α=105.687(7)°,β=95.154(6)°,γ=101.755(7)°。V=1.073 1(4)nm3,Z=2,Dc=1.757 g/cm3,μ=1.089 mm-1,F(000)=576.0。配合物的中心镉(Ⅱ)离子配位数为8,处于扭曲的四方反棱柱构型。考察了配体对Cd(Ⅱ)离子的液膜传输性,结果表明2,6-二[N-(1'-甲基-2'-羟乙基)氨甲酰基]吡啶可作为良好的Cd2+离子载体。A mononuclear cadmium ( II ) complex was synthesized by the reaction of the ligand 2,6-bis [ N- ( 1 '-methyl-2'-hydroxy-ethyl) carbamoyl] pyridine with Cd( NO3 ) 2·4H2O. The Cd ( II ) complex has been confirmed by elemental analysis, IR, UV and X-ray single crystal diffraction analysis. The results show that the crystal of the Cd( I1 ) complex belongs to triclinic,space group P-1 with cell parameters a =0.938 22(18) nm, b =0.944 74(19) nm,c = 1.299 9(2) nm,α = 105.687 (7)°,β = 95. 154 ( 6 ) °, γ = 101. 755 ( 7 )°, V = 1. 073 1 (4) nm^3 , Z = 2, Dc = 1. 757 g. cm ^- 3 ,μ = 1. 089 mm^ - 1, F ( 000 ) = 576. 0 ; the metal center ion Cd( lI ) is eight-coordinated, display a distorted square antiprism. Additional, the liquid membrane transport property of the ligand with Cd( II ) ion was also investigated, the results show that 2,6-bis[ N-( 1 '-methyl-2'-hydroxyethyl)carbamoyl] pyri- dine is a good ion carrier for Cd( II ).

关 键 词:吡啶双酰胺 镉(Ⅱ) 晶体结构 液膜传输 

分 类 号:O611.2[理学—无机化学]

 

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