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苯二羧酸类配体桥联Cu(Ⅱ)配合物的合成、结构与磁性
  • ISSN号：0465-7942
  • 期刊名称：南开大学学报(自然科学版)
  • 时间：2012.4.20
  • 页码：86-91
  • 分类：O614[理学—无机化学;理学—化学]
  • 作者机构：[1]清华大学化学系,北京100084
  • 相关基金：国家自然科学基金（21171103,20921001）
  • 相关项目：低自旋磁各向异性过渡金属配合物的合成与应用研究
作者： 吴树旗|崔爱莉|寇会忠|Wu Shuqi,Cui Aili,Kou Huizhong(Department of Chemistry,Tsingh|
关键词： 螺旋链, 单晶结构, 磁性, 双核配合物, 铜, 羧酸桥, helical chain, crystal structure, magnetic properties, dinuclear complex, copper, carboxylate bridge
中文摘要：

合成了两个羧酸桥联的铜（Ⅱ）配合物：Cu2（3a-phth）2（bpy）2.CH3OH（1）（3a-phth2-=3-aminophthalate）与[Cu2（3n-phth）2（bpy）2]{Cu（3n-phth）（bpy）}2.H2O（2）（3n-phth2-=3-nitrophthalate）,并表征了它们的结构和配合物1的磁性.晶体结构解析结果表明,配合物1中羧基以μ2-O将两个单核铜（Ⅱ）单元桥联形成双核结构,配合物2中除类似的双核结构外,羧基还以三原子桥形式形成一维螺旋链结构.两种亚结构以分子间相互作用形成超分子结构.配合物1中两个铜离子呈铁磁耦合,基于哈密顿算符H∧=-2JS∧Cu1S∧Cu2推导出的磁化率公式与实验数据进行拟和得到磁耦合参数J=0.82（7）cm-1.

英文摘要：

Two carboxylate-bridged Cu （ I ） complexes, Cu2 （3a-phth） 2（bpy） 2 . CH3OH （1） （3a-phth2- = 3-aminophthalate） and [Cu2 （3n-phth）2 （bpy）2] [Cu （3n-phth） （bpy）]2. H2O （2） （3n-phth2-= 3-nitrophthalate） have been synthesized and characterized structurally and mag- netically. Structural determination shows that complex 1 contains two mononuclear Cu（ Ⅱ ） units doubly bridged by twoμ2-O atoms from two carboxylate groups. In complex 2, a Similar dinuclear Cu （ I ） complex and a one-dimensional Cu （I ） helical chain connected by μ1,3-carboxylate groups, form a supramolecular structure via intermolecular interactions. Complex 1 exhibits ferromagnetic properties. On the basis of the Hamiltonian/Q = - 2JScu1Scu2 , the magnetic susceptibilities of complex 1 were fitted giving the magnetic coupling constant of J 0.82（7） cm-1.

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期刊信息
  • 《南开大学学报：自然科学版》
  • 中国科技核心期刊
  • 主管单位:教育部
  • 主办单位:南开大学
  • 主编：田建国
  • 地址：天津南开区卫津路94号
  • 邮编：300071
  • 邮箱：
  • 电话：022-23501681
  • 国际标准刊号：ISSN：0465-7942
  • 国内统一刊号：ISSN：12-1105/N
  • 邮发代号:6-174
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,德国数学文摘,英国动物学记录,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:4822