Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India.
Inorg Chem. 2012 Sep 3;51(17):9141-3. doi: 10.1021/ic300695v. Epub 2012 Aug 17.
Starting with the same precursors, pyridine-2,3-dicarboxylate (pyrdc) and 4,4'-bipyridyl (bipy), two 3D porous coordination polymers, {[Cu(bipy)(0.5)(pyrdc)]·3H(2)O} (1) and {[Cu(bipy)(0.5)(pyrdc)]·0.5bipy·3H(2)O} (2), have been synthesized by changing the solvent system from MeOH/H(2)O to EtOH/H(2)O. Single-crystal structure analysis revealed that 1 and 2 are supramolecular isomers with 3D pillared-layer structures having 1D channel systems. Isomer 1 has a flexible structure and shows gated adsorption behavior, while framework 2 has a rigid backbone and exhibits the adsorption properties of typical microporous materials.
以相同的前体吡啶-2,3-二甲酸（pyrdc）和 4,4'-联吡啶（bipy）为原料，通过改变溶剂体系从 MeOH/H2O 到 EtOH/H2O，合成了两个 3D 多孔配位聚合物，{[Cu(bipy)(0.5)(pyrdc)]·3H2O}（1）和{[Cu(bipy)(0.5)(pyrdc)]·0.5bipy·3H2O}（2）。单晶结构分析表明，1 和 2 是具有 3D 支柱层结构和 1D 通道系统的超分子异构体。异构体 1 具有柔性结构，表现出门控吸附行为，而骨架 2 具有刚性骨架，表现出典型微孔材料的吸附特性。
