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水杨醛缩乙醇胺双氧钒席夫碱配合物的合成、晶体结构及热分解研究(英文) 被引量：5

Synthesis,Crystal Structure and Thermal Decomposition of Bis[(N-salicyliden e-N'-aminoethanol)abstract:dioxovandium(Ⅴ)]
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摘要 A new complex bis[(N-salicylidene-N’-ami noethanol)abstract:dioxovandium (Ⅴ)abstract:,[V (Ⅴ)abstract:(Ⅴ)abstract:(SALAE)abstract:]2 ,was synthesized by the reaction of salicylaldehyde and aminoethanol with va nadyl sulfate.It was characterized by elemental analysis,IR and X-ray single cr ystal diffraction analysis.The crystal of the title complex(C 18 H 20 N 2 O 8 V 2 ,M r =494.24)abstract:be-longs to monoclinic,space group P2 1 /c with the following crystallographic parameters:a=1.7966(6)abstract:nm,b=0.7587(3)abstract:n m,c=2.1539(7)abstract:nm,β =92.551(6)abstract:°,V=2.9329(17)abstract:nm 3 ,Z=6,D c =1.679g · cm -3 ,μ (MoK α )abstract:=1.006mm -1 ,F(000)abstract:=1512,and final R 1 =0.0563,wR 2 =0.1243for observed reflections2861(I>2 σ (I)abstract:)abstract:.The complex is a bis( μ -oxo)abstract:-bridged V schiff base dimer formed by two dioxovandium units,V is six-coordinated and forms a distorted octahedral structure.The thermal d ecomposition for the complex was studied by TG-DTG curves and the apparent acti vation energy was obtained by the Kissinger formula.CCDC:211147. A new complex bis[(N-salicylidene-N'-ami noethanol)abstract:dioxovandium (Ⅴ)abstract:,[V (Ⅴ)abstract:(Ⅴ)abstract:(SALAE)abstract:]2 ,was synthesized by the reaction of salicylaldehyde and aminoethanol with va nadyl sulfate.It was characterized by elemental analysis,IR and X-ray single cr ystal diffraction analysis.The crystal of the title complex(C 18 H 20 N 2 O 8 V 2 ,M r =494.24)abstract:be-longs to monoclinic,space group P2 1 /c with the following crystallographic parameters:a=1.7966(6)abstract:nm,b=0.7587(3)abstract:n m,c=2.1539(7)abstract:nm,β =92.551(6)abstract:°,V=2.9329(17)abstract:nm 3 ,Z=6,D c =1.679g · cm -3 ,μ (MoK α )abstract:=1.006mm -1 ,F(000)abstract:=1512,and final R 1 =0.0563,wR 2 =0.1243for observed reflections2861(I>2 σ (I)abstract:)abstract:.The complex is a bis( μ -oxo)abstract:-bridged V schiff base dimer formed by two dioxovandium units,V is six-coordinated and forms a distorted octahedral structure.The thermal d ecomposition for the complex was studied by TG-DTG curves and the apparent acti vation energy was obtained by the Kissinger formula.CCDC:211147.
作者 李连之 许涛 王大奇 冀海伟
机构地区 聊城大学化学化工学院
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2004年第2期236-240,共5页 Chinese Journal of Inorganic Chemistry
基金 聊城大学科学基金资助项目。
关键词 水杨醛缩乙醇胺 席夫碱 双氧钒配合物 合成 晶体结构 热分解 N-salicylidene-N'-aminoethanol dioxovandium complex synthesis crystal structure the rmal decomposition
分类号 O614.511 [理学—无机化学] O641.4 [理学—物理化学]
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无机化学学报
2004年 第2期

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