...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Crystal growth & design >Selected controlled synthesis of three-dimensional 4d-4f heterometallic coordination frameworks by lanthanide carboxylate subunits and silver centers
【24h】

Selected controlled synthesis of three-dimensional 4d-4f heterometallic coordination frameworks by lanthanide carboxylate subunits and silver centers

机译：镧系羧酸盐亚基和银中心的选择性受控合成三维4d-4f杂金属配位骨架

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

By control of mixed ligands with particular coordination sites, three novel three-dimensional (3D) 4d-4f heterometallic coordination polymers, [Ln(4)(H2O)(2)Ag(1,3-bdc)(4)(inic)(5)] center dot nH(2)O (Ln) Nd ( 1), n = 0.25; Eu ( 2), n = 0; 1,3- H(2)bdc = 1,3-benzenedicarboxylic acid and Hinic) isonicotinic acid) and [Nd(H2O) Ag(1,2-bdc)(inic)(2)] ( 3) (1,2-H(2)bdc) 1,2-benzenedicarboxylic acid), have been synthesized under hydrothermal conditions and characterized by elemental analysis, IR, thermogravimetric (TG) analysis, and single-crystal X-ray diffraction. Compounds 1-3 crystallize in the monoclinic system, space group C2/c. Compounds 1 and 2 are isostructural and exhibit novel 3D coordination frameworks constructed from two-dimensional (2D) wavelike lanthanide carboxylate layers and Ag( inic) 4 complexes. To the best of our knowledge, they represent the first examples of 3D 4d-4f heterometallic coordination frameworks, in which the transition metal complexes bond to a 3D lanthanide carboxylate supramolecular framework with nanometer-sized channels built up from 2D wavelike layers. Compound 3 possesses an unusual 3D framework based on linkage of neodymium-carboxylate chains and silver( I) centers by inic ligands. The difference between both kinds of frameworks can be ascribed to the geometry effect of benzenedicarboxylate. Furthermore, the luminescent properties of 2 were studied.
机译：通过控制具有特定配位点的混合配体，三种新型的三维（3D）4d-4f杂金属配位聚合物[Ln（4）（H2O）（2）Ag（1,3-bdc）（4）（inic） （5）]中心点nH（2）O（Ln）Nd（1），n ＝ 0.25; Eu（2），n = 0; 1,3- H（2）bdc = 1,3-苯二甲酸和Hinic）异烟酸）和[Nd（H2O）Ag（1,2-bdc）（inic）（2）]（3）（1,2 -H（2）bdc）1,2-苯二甲酸），已在水热条件下合成，并通过元素分析，IR，热重（TG）分析和单晶X射线衍射进行了表征。化合物1-3在单斜晶系空间群C2 / c中结晶。化合物1和2是同构结构，并显示出由二维（2D）波状镧系羧酸盐层和Ag（inic）4配合物构成的新颖3D配位框架。据我们所知，它们代表了3D 4d-4f杂金属配位骨架的第一个实例，其中过渡金属络合物与3D镧系元素羧酸盐超分子骨架键合，并具有由2D波浪状层构成的纳米级通道。化合物3具有异常的3D框架，该框架基于羧酸配位的钕配位链和inic配体的银（I）中心。两种骨架之间的差异可归因于苯二甲酸的几何效应。此外，研究了2的发光性质。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号