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题名: Syntheses, crystal structures, and properties of Cu(II) and Zn(II) complexes with an asymmetric tripodal ligand
作者: Sun, Wenwu1, 2; Cheng, Qingrong1; Zhou, Hong1; Pan, Zhiquan1
刊名: JOURNAL OF COORDINATION CHEMISTRY
关键词: Dinuclear Cu(II) and Zn(II) complexes ; Crystal structure ; Electrochemistry ; Magnetic property ; Hydrolysis activity
英文摘要: [Cu2L2](ClO4)2 (1) and [Zn2L2](ClO4)2 (2) (HL?=?2-[bis(3-aminopropyl)amino]propanol) have been synthesized and characterized. X-ray crystallography analyses show that both are dinuclear with bis-mu-alkoxy-bridged structures. Their molecular structures are centro-symmetric. Each metal adopts a trigonal bipyramidal coordination. Cyclic voltammetry indicates that 1 undergoes two irreversible redox processes with big potential differences (E pa-E pc) and ratio of i pa/i pc, while only one reduction peak is observed in 2. Magnetic susceptibility shows that there is a strong antiferromagnetic interaction (J?=?-69.4(4)?cm-1) between the two copper(II) centers in 1. Hydrolysis activities toward 4-nitrophenyl acetate of the two complexes have been investigated and second-order rate constants of 1 and 2 are (4.3?+/-?0.3)?X?10-2 and (3.1?+/-?0.2)?X?10-2 M-1s-1 in 10% (v/v) CH3CN aqueous solution at 25?degrees C.
出版日期: 2013
卷号: 66, 期号:1, 页码:56-65
语种: 英语
ISSN号: 0095-8972
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16252
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Wuhan Inst Technol, Natl Engn Res Ctr Phosphate Resources Dev & Utili, Wuhan, Peoples R China
2.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming, Peoples R China

Recommended Citation:
Sun, Wenwu; Cheng, Qingrong; Zhou, Hong; Pan, Zhiquan.Syntheses, crystal structures, and properties of Cu(II) and Zn(II) complexes with an asymmetric tripodal ligand,JOURNAL OF COORDINATION CHEMISTRY,2013,66(1):56-65
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