以联吡啶二羧酸及邻菲咯啉衍生物为配体的两种锌(Ⅱ)配合物的水热合成及晶体结构(英文)  被引量:2

Hydrothermal Synthesis and Crystal Structure of Two Zinc (Ⅱ) Complexes with 2,2′-Bipyridine-3,3′-dicarboxylic Acid and Phenanthroline Derivative Ligands

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作  者:王倩倩[1] 刘春波[1,2] 李秀颖[1,2] 王星[1] 王申堂[1] 车广波[1,2] 李春香[1] 

机构地区:[1]江苏大学化学化工学院,镇江212013 [2]环境友好材料制备与应用教育部重点实验室,四平136000

出  处:《无机化学学报》2012年第3期619-625,共7页Chinese Journal of Inorganic Chemistry

基  金:江苏大学自然科学基金(No.09JDG001)资助项目

摘  要:在水热条件下合成了两种配合物[Zn(bpdc)(pyip)2].3H2O(1)和[Zn(pip)2(Hpip)].3H2O(2)(H2bpdc=2,2′-联吡啶-3,3′-二羧酸,pyip=2-(3-吡啶基)-1H-咪唑并[4,5-f][1,10]邻菲咯啉,Hpip=2-苯基-1H-咪唑并[4,5-f][1,10]邻菲咯啉),并利用红外和X射线单晶衍射对其结构进行了表征。配合物1属单斜晶系,P21/c空间群,晶胞参数a=1.656 9(5)nm,b=1.3614(4)nm,c=1.863 7(6)nm,β=93.128(6)°,V=4.198(2)nm3,Z=4,ZnC48H34N12O7,Mr=955.99,Dc=1.513 g.cm-3,μ(Mo Kα)=0.657 mm-1,F(000)=1 968,GOOF=1.008,R=0.057 7,wR=0.107 5,其中4 622个可观测衍生点(I>2σ(I))。配合物2属单斜晶系,P21/c空间群,晶胞参数a=1.797 7(4)nm,b=1.527 0(3)nm,c=1.767 6(4)nm,β=102.84(3)°,V=4.730 9(19)nm3,Z=4,ZnC57H40N12O3,Mr=1 006.36,Dc=1.410 g.cm-3,μ(Mo Kα)=0.581mm-1,F(000)=2 072,GOOF=1.134,R=0.089 5,wR=0.208 4,其中6 558个可观测衍射点(I>2σ(I))。结构分析表明配合物1和2均为零维结构,氢键和π-π相互作用在加固配合物的结构中起到重要作用。此外,对化合物的热稳定性和荧光性质也进行了研究。The title complexes,[Zn(bpdc)(pyip)2]·3H2O(1) and [Zn(pip)2(Hpip)]·3H2O(2)(H2bpdc=2,2′-bipyri-dine-3,3′-dicarboxylic acid,pyip=2-(pyridin-3-yl)-1H-imidazo[4,5-f] phenanthroline,Hpip=2-phenyl-1H-imidazo[4,5-f]phenanthroline) have been synthesized under hydrothermal conditions and characterized by IR spectrum and X-ray single-crystal diffraction.Complex 1 is of monoclinic,space group P21/c with a=1.656 9(5) nm,b=1.361 4(4) nm,c=1.863 7(6) nm,β=93.128(6)°,V=4.198(2) nm3,Z=4,ZnC48H34N12O7,Mr=955.99,Dc=1.513 g·cm-3,μ(Mo Kα)=0.657 mm-1,F(000)=1 968,GOOF=1.008,the final R=0.057 7 and wR=0.107 5 for 4 622 observed reflections(I2σ(I)).Complex 2 is of monoclinic,space group P21/c with a=1.797 7(4) nm,b=1.527 0(3) nm,c=1.767 6(4) nm,β=102.84(3)°,V=4.730 9(19) nm3,Z=4,ZnC57H40N12O3,Mr=1 006.36,Dc=1.410 g·cm-3,μ(Mo Kα)=0.581 mm-1,F(000)=2 072,GOOF=1.134,the final R=0.089 5 and wR=0.208 4 for 6 558 observed reflections(I2σ(I)).Structural analyses show that the complexes 1 and 2 all present a zero-dimensional unit.Furthermore,the hydrogen-bonding and π-π stacking interactions play key roles in consolidating the structures of complexes.Thermal stability and luminescent properties were also investigated.CCDC: 853171,1;853172,2.

关 键 词:锌(Ⅱ)配合物 2 2′-联吡啶-3 3′-二羧酸 邻菲咯啉衍生物 水热合成 晶体结构 

分 类 号:O614.241[理学—无机化学]

 

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