Two novel lanthanide-organic polymers [Er2（pdc）2（o-bdc）（H2O）2]·H2O（1,H2pdc = 2,6-pyridinedicarboxylic acid,o-H2bdc = 1,2-benzenedicarboxylic acid） and Er（Himdc）（mbdc）0.5（H2O）（2,H3imdc = 4,5-imidazo...Two novel lanthanide-organic polymers [Er2（pdc）2（o-bdc）（H2O）2]·H2O（1,H2pdc = 2,6-pyridinedicarboxylic acid,o-H2bdc = 1,2-benzenedicarboxylic acid） and Er（Himdc）（mbdc）0.5（H2O）（2,H3imdc = 4,5-imidazoledicarboxylic acid,m-H2bdc = 1,3-benzenedicarboxylic acid） have been synthesized and characterized by elemental analysis,IR,thermogravimetric analysis and X-ray single-crystal diffraction studies.1 crystallizes in monoclinic,space group P21/c,while 2 in the orthorhombic space group Pbcn.Both compounds 1 and 2 display two-dimensional network structures. For 1, the tetranuclear parallelogram {Era} cluster as a building block is further assembled into a wonderful 2D grid, and the layers are interconnected via hydrogen bonds and π-π stacking interactions to yield a 3D supramolecular architecture; for 2, its configuration is a rare double-decker structure. These two complexes represent good examples for using mixcarboxylate-containing ligands to construct diverse 2D lanthanide coordination polymers.展开更多
基金supported by the National Natural Science Fund for Distinguished Young Scholars of China (No 20725101)the 973 Program (No 2006CB932904)+2 种基金the NSF of Fujian Province (Nos E0510030 and 2008F3120)the Knowledge Innovation Program of CAS (No KJCX2YWH01)the NNSFC (No 20521101)
文摘Two novel lanthanide-organic polymers [Er2（pdc）2（o-bdc）（H2O）2]·H2O（1,H2pdc = 2,6-pyridinedicarboxylic acid,o-H2bdc = 1,2-benzenedicarboxylic acid） and Er（Himdc）（mbdc）0.5（H2O）（2,H3imdc = 4,5-imidazoledicarboxylic acid,m-H2bdc = 1,3-benzenedicarboxylic acid） have been synthesized and characterized by elemental analysis,IR,thermogravimetric analysis and X-ray single-crystal diffraction studies.1 crystallizes in monoclinic,space group P21/c,while 2 in the orthorhombic space group Pbcn.Both compounds 1 and 2 display two-dimensional network structures. For 1, the tetranuclear parallelogram {Era} cluster as a building block is further assembled into a wonderful 2D grid, and the layers are interconnected via hydrogen bonds and π-π stacking interactions to yield a 3D supramolecular architecture; for 2, its configuration is a rare double-decker structure. These two complexes represent good examples for using mixcarboxylate-containing ligands to construct diverse 2D lanthanide coordination polymers.
