高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (5): 671.

• 论文 • 上一篇    下一篇

烷氧基键合的VO3+腙配合物的合成和晶体结构及氧化还原性质研究

高山1,2, 刘世雄1   

  1. 1. 福州大学化学系, 福州 350002;
    2. 黑龙江大学化学化工学院, 哈尔滨 150080
  • 收稿日期:1999-06-29 出版日期:2000-05-24 发布日期:2000-05-24
  • 通讯作者: 高山(1967年出生),男,博士,讲师,从事功能配合物的结构化学研究.
  • 基金资助:

    福建省自然科学基金

Synthesis, Crystal Structure and Redox Properties of VO3+Hydrazone Complex with Alkoxide Ligand

GAO Shan1,2, LIU Shi-Xiong1   

  1. 1. Department of Chemistry, Fuzhou University, Fuzhou 350002, China;
    2. College of Chemistry and Chemical Technology, Heilongjiang University, Harbl'n 150080, China
  • Received:1999-06-29 Online:2000-05-24 Published:2000-05-24

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摘要： 合成了配合物VO(L)(CH3O)(CH3OH)(H2L为水杨醛苯甲酰腙),并对其进行了元素分析,IR,UV,1HNMR,CV和单晶X射线衍射实验。晶体属单斜晶系,P21/c空间群,晶胞参数a=0.8161(1)nm,b=1.6946(2)nm,c=1.2232(1)nm,β=104.274(9),V=1.6394(3)nm3,Mr=368.26,Z=4.三齿腙配体中的2个氧原子和1个氮原子均与饥原子配位并形成赤道平面,钒原子具有扭曲的八面体配位构型。电化学研究表明,配合物的氧化还原电位E1/2按CH2Cl2<CH3CN<DMF的顺序向正电位方向移动。

关键词: 钒酰配合物, 腙, 晶体结构, 氧化还原性质

Abstract: The complex VO(L) (CH3O) (CH3OH) (H2L=salicylaldehyde benzoylhydrazone) was synthesized and characterized by elemental anlyasis, IR, UV, 1H NMR, cyclic voltammetry measurements and X-ray diffraction. The crystal belongs to monoclinic system, space group P21/c, with the crystal cell dimensions a=0. 8161(1) nm, b=1. 6946(2) nm, c=1. 2232(1) nm, β=104. 274(9)°, V=1. 6394(3) nm3, Mr=368. 26, Z=4. Two oxygen atoms and one nitrogen atom of the tridentate hydrazone ligand are coordinated to vanadium(V) atom, forming an equatorial plane. The vanadium atom approximates to a distorted octahedral coordination sphere. The redox potentials of the title complex in different solvents follow the order: CH2Cl2<CH3CN<DMF.

Key words: Oxovanadium(V) complex, Hydrazone, Crystal structure, Redox properties

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