Molecular structure, characterization and magnetic properties of novel mixed-valence copper(I,II) alpha,beta-unsaturated carboxylate complexes with triphenylphosphine and methanol ligands
Wang, YY; Shi, Q; Shi, QZ; Gao, YC; Hou, X
2000-04-30
发表期刊POLYHEDRON
卷号19期号:8页码:891-898
摘要Two new mixed-valence tetranuclear copper(I,II) ol,a-unsaturated carboxylate complexes Cu(2)(I)Cu(2)(II)A(6)(PPh3)(4)( CH3OH)(2) (1, A = CH2=CH-COO-; 2, A = CH2=C(CH3)-COO- ) have been synthesized by partial reduction of Cu(2)A(4)(H2O)(2) by triphenylphosphine in methanol solution, and characterized by elemental analyses, IR, ESR, electronic reflectance spectroscopies as well as magnetic susceptibility measurements. In complex 2 two copper(II) atoms in a molecule are linked by four carboxylate groups forming a dimeric unit Cu(2)(II)A(4), and each copper(II) atom coordinates with a copper(I) moiety through a mu(2)-O,O' carboxylate group. The electronic reflectance spectra in the solid state suggest a square pyramidal coordination environment around the copper(II) atoms. Bond valence calculations further confirm the presence of the mixed-valence system and the oxidation state of the copper atoms. Room temperature X-band ESR spectra of powdered samples and variable-temperature magnetic susceptibility studies indicate the presence of strong antiferromagnetic exchange interactions between two copper(II) atoms, with 2J= - 310 cm(-1) for complex 1 and 2J= - 288 cm(-1) for-complex 2. The formation mechanism of the title complexes and the structural interconversion among related mixed-valence copper(I,II) carboxylate complexes are also discussed. (C) 2000 Elsevier Science Ltd All rights reserved.
文章类型Article
关键词Copper(i Triphenylphosphine Ii) Complexes Alpha Magnetic Properties Beta-unsaturated Carboxylates Crystal Structures
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI
关键词[WOS]RICH COORDINATION ENVIRONMENTS ; CRYSTAL-STRUCTURE ; DERIVATIVES ; REACTIVITY ; MODELS
语种英语
WOS研究方向Chemistry ; Crystallography
WOS类目Chemistry, Inorganic & Nuclear ; Crystallography
WOS记录号WOS:000087327200002
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/25411
专题中国科学院西安光学精密机械研究所(2010年前)
作者单位1.NW Univ Xian, Dept Chem, Xian 710069, Peoples R China
2.Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710069, Peoples R China
推荐引用方式
GB/T 7714
Wang, YY,Shi, Q,Shi, QZ,et al. Molecular structure, characterization and magnetic properties of novel mixed-valence copper(I,II) alpha,beta-unsaturated carboxylate complexes with triphenylphosphine and methanol ligands[J]. POLYHEDRON,2000,19(8):891-898.
APA Wang, YY,Shi, Q,Shi, QZ,Gao, YC,&Hou, X.(2000).Molecular structure, characterization and magnetic properties of novel mixed-valence copper(I,II) alpha,beta-unsaturated carboxylate complexes with triphenylphosphine and methanol ligands.POLYHEDRON,19(8),891-898.
MLA Wang, YY,et al."Molecular structure, characterization and magnetic properties of novel mixed-valence copper(I,II) alpha,beta-unsaturated carboxylate complexes with triphenylphosphine and methanol ligands".POLYHEDRON 19.8(2000):891-898.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Molecular structure,(220KB)期刊论文出版稿限制开放CC BY-NC-SA请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Wang, YY]的文章
[Shi, Q]的文章
[Shi, QZ]的文章
百度学术
百度学术中相似的文章
[Wang, YY]的文章
[Shi, Q]的文章
[Shi, QZ]的文章
必应学术
必应学术中相似的文章
[Wang, YY]的文章
[Shi, Q]的文章
[Shi, QZ]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。