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)
Synthesis,Crystal Structure and Thermal Decomposition of Bis[(N-salicyliden e-N'-aminoethanol)abstract:dioxovandium(Ⅴ)]作者机构:聊城大学化学化工学院聊城252059
出 版 物:《无机化学学报》 (Chinese Journal of Inorganic Chemistry)
年 卷 期:2004年第20卷第2期
页 面:236-240页
核心收录:
学科分类:081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 070301[理学-无机化学]
基 金:聊城大学科学基金资助项目
主 题: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
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 *** was characterized by elemental analysis,IR and X-ray single cr ystal diffraction *** 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(I2 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 *** thermal d ecomposition for the complex was studied by TG-DTG curves and the apparent acti vation energy was obtained by the Kissinger ***:211147.