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基于1,2,4-苯三酸与[2,3-f]吡嗪并[1,10]菲咯啉配体的钴髤及镉髤配合物的水热合成与晶体结构(英文) 被引量:2

Hydrothermal Syntheses and Crystal Structures of Cobalt(Ⅱ) and Cadmium(Ⅱ) Complexes with 1,2,4-Benzenetricarboxylic Acid and Pyrazino-phenanthroline Ligands
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摘要 利用水热技术,合成了2个新的配合物{[Co(Hbtc)(Pyphen)(H2O)].H2O}n(1)和{[Cd2(btc)(Pyphen)2Cl].2H2O}n(2)(H3btc=1,2,4-苯三酸,Pyphen=[2,3-f]吡嗪并[1,10]-菲咯啉),并通过X-射线单晶衍射、元素分析、热重分析和荧光进行了表征。配合物1属三斜晶系,空间群P1,a=0.643 44(13)nm,b=1.202 9(2)nm,c=1.371 6(3)nm,α=95.03(3)°,β=90.46(3)°,γ=103.54(3)°,V=1.027 7(4)nm3,Z=2,CoC23H16N4O8,Mr=535.31,Dc=1.730 g.cm-3,μ(Mo Kα)=0.900 mm-1,F(000)=546,GOOF=1.089,R=0.099 2,wR=0.249 0;配合物2属三斜晶系,空间群P1,a=0.968 93(8)nm,b=1.223 82(10)nm,c=1.592 21(14)nm,α=67.486 0(10)°,β=73.158 0(10)°,γ=78.468 0(10)°,V=1.660 9(2)nm3,Z=2,Cd2C37H23N8O8Cl,Mr=967.88,Dc=1.935 g.cm-3,μ(Mo Kα)=1.432 mm-1,F(000)=956,GOOF=1.051,R=0.077 9,wR=0.141 2。结构分析表明:配合物1为无限一维双链结构,配合物2为二维层状结构。此外,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。 The title complexes,{[Co(Hbtc)(Pyphen)(H2O)]·H2O}n(1) and {[Cd2(btc)(Pyphen)2Cl]·2H2O}n(2)(H3btc=1,2,4-benzenetricarboxylic acid,Pyphen=pyrazino-phenanthroline) have been hydrothermally synthe-sized and structurally characterized by X-ray single-crystal diffraction,elemental analyses,thermal gravimetry analysis(TGA) and luminescent property.Crystal 1 is of triclinic,space group P1 with a=0.643 44(13) nm,b=1.202 9(2) nm,c=1.371 6(3) nm,α=95.03(3)°,β=90.46(3)°,γ=103.54(3)°,V=1.027 7(4) nm3,Z=2,CoC23H16N4O8,Mr=535.31,Dc=1.730 g·cm-3,μ(Mo Kα)=0.900 mm-1,F(000)=546,GOOF=1.089,the final R=0.099 2 and wR=0.249 0 for 2 933 observed reflections(I2σ(I)).Crystal 2 is of triclinic,space group P1 with a=0.968 93(8) nm,b=1.223 82(10) nm,c=1.592 21(14) nm,α=67.486 0(10)°,β=73.158 0(10)°,γ=78.468 0(10)°,V=1.660 9(2) nm3,Z=2,Cd2C37H23N8O8Cl,Mr=967.88,Dc=1.935 g·cm-3,μ(Mo Kα)=1.432 mm-1,F(000)=956,GOOF=1.051,the final R=0.077 9 and wR=0.141 2 for 4 817 observed reflections(I2σ(I)).Structural analyses show that the complex 1 presents an infinite one-dimensional polymeric double-chain structure and the complex 2 shows a two-dimensional layered structure.Furthermore,the hydrogen-bonding and π-π stacking interactions play Key roles in consolidating the complex structures.CCDC: 829207,1;829208,2.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2011年第10期2081-2087,共7页 Chinese Journal of Inorganic Chemistry
基金 国家自然科学基金(No.60978059)资助项目
关键词 钴髤 镉髤 1 2 4-苯三酸 [2 3-f]吡嗪并[1 10]菲咯啉 晶体结构 cobalt(Ⅱ) cadmium(Ⅱ) 1 2 4-benzenetricarboxylic acid pyrazino-phenanthroline crystal structure
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