Hydrothermal synthesis, crystal structure and properties of two new coordination polymers structured by two mixed ligands and strict quadrangular {Ln3}8 Units (Ln=Er and Ho)
作者： Lei Chen , Lian Huang , Deng Zhang , Dawei Yan , Congling Wang
DOI: 10.1016/J.INOCHE.2012.05.010
关键词: Nanotechnology 、 Coordination complex 、 Ion 、 Polymer 、 Hydrothermal synthesis 、 Chemistry 、 Crystal structure 、 Crystallography 、 Hydrothermal circulation
摘要: Abstract Two new three-dimensional coordination compounds formulated as [Ln3(IN)2(bdc)3.5(H2O)3]·0.5H2O (Ln = Er 1, Ho 2), where HIN = isonicotinic acid and H2bdc = 1,4-benzenedicarboxylic, have been obtained by hydrothermal assemble of Ln2O3 HIN H2bdc. Structural analysis shows that Ln3+ ions are connected both ligands IN− bdc2 − in 1 2. links two adjacent {Ln3} units along b axis, while connects eight different directions, which leads to an interesting strict {Ln3}8 quadrangular 3D open frameworks
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