Syntheses, structural diversity and dye adsorption properties of various Co(II) coordination polymers based on rigid tris(imidazolyl) and dicarboxylate ligands
作者:Xiang-min Meng、Zi-ao Zong、Xiao-yin Zhang、Xia Zhang、Fan Jin、Yu-hua Fan
DOI:10.1016/j.poly.2017.01.060
日期:2017.5
polymers, namely [Co(tib)2]·2HNO3·2H2O}n (1), [Co(tib)(4,4′-dpt)(H2O)2]·5H2O}n (2) and [Co2(tib)2(1,3-dpb)2]·H2O}n (3) (tib = 1,3,5-tris(1-imidazolyl)-benzene, 4,4′-dpt = p-terphenyl-4,4′-dicarboxylic and 1,3-dpb = 1,3-di(4′-carboxyl-phenyl)benzene) were synthesized under solvo/hydrothermal conditions. These complexes were characterized by elemental analysis, IR spectra, powder X-ray diffraction
摘要三种新型的Co(II)配位聚合物[Co(tib)2]·2HNO3·2H2O} n(1),[Co(tib)(4,4'-dpt)(H2O)2]·5H2O } n(2)和[Co2(tib)2(1,3-dpb)2]·H2O} n(3)(tib = 1,3,5-tris(1-咪唑基)-苯,4,4在溶剂/水热条件下合成了'-dpt =对-叔苯基-4,4'-二羧酸和1,3-dpb = 1,3-二(4'-羧基-苯基)苯。这些配合物通过元素分析,红外光谱,粉末X射线衍射(PXRD),热重分析(TG)和单晶X射线衍射进行表征。与普通(3,6)连接的网络(anh,ant,apo,brk,pyr,rtl)相比,复合物1显示了一个罕见的kgd 2D网络,该网络通过H键和C– H⋯O键。复合体2展示了一个hcb 2D网络,它通过氢键相互作用进一步组装成3D超分子框架,而配合物3显示了空前的3节点(3,4,6