钒(IV)希夫碱配合物:合成、表征、晶体结构和热分解成V2O5颗粒

IF 3.5 Q2 CHEMISTRY, MULTIDISCIPLINARY
A. D. Khalaji, M. Ghorbani, S. J. Peyghoun, N. Feizi, A. Akbari, W. Hornfeck, M. Dušek, V. Eigner
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引用次数: 1

摘要

合成了钒(IV)配合物[VO((MeO-bph)2en)] (1), (MeO-bph)2en=N,Nⅱ-双(2-羟基-4-甲氧基二苯酮)-1,2-乙二胺,并用元素分析(CHN)、红外光谱、热重、扫描电镜和单晶x射线衍射对其进行了表征。以VO(acac) 2,1,2 -乙二胺与2-羟基-4-甲氧基二苯甲酮(摩尔比1:1:2)为原料,制备了标题配合物1。1的单晶x射线分析表明,钒(IV)离子位于扭曲的方形金字塔(N2O3)环境中,四齿席夫碱配体在赤道位置配位,一个氧原子在轴向位置。热重分析表明,配合物1分两个阶段分解。最后,将配合物在500℃下煅烧3 h,用FT-IR和SEM对V2O5产物进行表征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles
Vanadium(IV) complex [VO((MeO-bph)2en)] (1), (MeO-bph)2en=N,N¢-bis(2-hydroxy-4-methoxybenzophenone)-1,2-ethanediamine, was synthesized and characterized by elemental analyses (CHN), FT-IR spectroscopy, thermogravimetry, SEM and single crystal X-ray diffraction. The title complex 1 was prepared by the reaction of VO(acac)2, 1,2-ethanediamine and 2-hydroxy-4-methoxybenzophenone (molar ratio 1:1:2). The single-crystal X-ray analysis of 1 shows that the vanadium(IV) ion is located in a distorted square pyramid (N2O3) environment with the tetradentate Schiff base ligand coordinated in equatorial positions and one oxygen atom in the axial position. Thermogravimetric analysis shows that the complex 1 decomposes in two stages. Finally, the complex was calcinated at 500 °C for 3 h and the V2O5 products characterized by FT-IR and SEM.
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来源期刊
Chemical Methodologies
Chemical Methodologies CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
3.10
自引率
1.80%
发文量
8
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