[1]程美令,孙林,王沈,等.5-甲基-3-吡唑甲酸配合物的合成、结构及电化学性质研究[J].常州大学学报(自然科学版),2016,(06):32-37.[doi:10.3969/j.issn.2095-0411.2016.06.007]
　CHENG Meiling,SUN Lin,WANG Shen,et al.Synthesis, Crystal Structure and Electrochemical Properties of the Complexes Based on 5-Methyl-1H-Pyrazole-3-Carboxylic Acid[J].Journal of Changzhou University(Natural Science Edition),2016,(06):32-37.[doi:10.3969/j.issn.2095-0411.2016.06.007]
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5-甲基-3-吡唑甲酸配合物的合成、结构及电化学性质研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2016年06期
页码:
32-37
栏目:
化学化工
出版日期:
2016-11-30

文章信息/Info

Title:
Synthesis, Crystal Structure and Electrochemical Properties of the Complexes Based on 5-Methyl-1H-Pyrazole-3-Carboxylic Acid
作者:
程美令; 孙林; 王沈; 侍昌东; 刘琦
常州大学 石油化工学院,江苏 常州 213164
Author(s):
CHENG Meiling;  SUN Lin;  WANG Shen;  SHI Changdong;  LIU Qi
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
5-甲基-3-吡唑甲酸;  配合物;  电化学
Keywords:
5-methyl-1H-pyrazole-3-carboxylic acid;  complex;  electrochemical property
分类号:
O 621.3
DOI:
10.3969/j.issn.2095-0411.2016.06.007
文献标志码:
A
摘要:
以5-甲基-3-吡唑甲酸(H2MPCA)和4-甲基咪唑(4-MI)为配体,分别与过渡金属盐Cu(OAc)2·H2O或者Ni(OAc)2·4H2O经水热反应,分离得到了两个配合物[M(HMPCA)2(4-MI)2]·2H2O(M=Cu, 1; Ni, 2 )。用元素分析、红外光谱、X-射线粉末衍射、X-射线单晶衍射等对其进行了表征。配合物1和2中金属离子与来自两个HMPCA-配体中的两个氮原子及两个氧原子,两个4-MI分子中的两个氮原子配位,形成八面体配位构型。配合物中的独立结构单元[M(HMPCA)2(4-Im)2·2H2O]通过分子间氢键形成三维超分子。循环伏安性质测试表明配合物1和2的电解过程均为准可逆过程。
Abstract:
Two new monomeric complexes, [M(HMPCA)2(4-MI)2]·2H2O(M=Cu, 1; Ni, 2 )(H2MPCA=5-methyl-1H-pyrazole-3-carboxylic acid, 4-MI=4-methylimidazole)were synthesized by hydrothermal reaction of H2MPCA and 4-Im with Cu(OAc)2·H2O and Ni(OAc)2·4H2O, respectively. The compounds were characterized by elemental analysis, IR spectra, X-ray diffraction. Single crystal analysis shows that metal ions have all octahedral geometry coordinated by two nitrogen atoms and two oxygen atoms from two HMPCA- ligands, another two nitrogen atoms from two 4-Im molecules. The independent components [M(HMPCA)2(4-Im)2·2H2O] are further assembled into 3D supramolecular architectures through intermolecular hydrogen bonds. Electrochemical properties of 1 and 2 show that electron transfer of M(II)between M(Ⅲ)(M=Cu, Ni)in electrolysis is quasi-reversible process.

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备注/Memo

备注/Memo:
收稿日期:2016-07-01。基金项目:国家自然科学基金资助项目(20971060, 21101018)。作者简介:程美令(1982—),女,江苏盐城人,博士,讲师,主要从事功能配合物研究。通讯联系人:刘琦(1962—),E-mail: liuqi62@163.com
更新日期/Last Update: 2016-11-20