Influence of Flexible Bis(benzimidazole) Derivatives on the Self-assembly of Three Mixed Ligands Silver(I) Coordination Polymers

Three silver(I) coordination polymers namely, [Ag-4(L1)(2)(1, 4-ndc)(2)](n) (1) {[Ag(L2)](1, 4-Hndc)H2O}(n) (2), and {[Ag(L3)(H2O)](1, 4-Hndc)}(n) (3) [L1 = 1, 3-bis(benzimidazol-1-ylmethyl)benzene, 1, 4-H(2)ndc = 1, 4-naphthalenedicarboxylic acid, L2 = 1, 3-bis(5, 6-dimethylbenzimidazole-1-ylmethyl)benzene, L3 = 1, 4-bis(5, 6-dimethylbenzimidazole)butane], were hydrothermally synthesized and characterized by single-crystal X-ray diffraction analysis, elemental analysis, IR spectroscopy, thermogravimetric and XRPD analysis. Complex 1 displays a 1D tube-like chain, which is packed into a 3D supramolecular network by - stacking interactions. Complex 2 features an infinite 1D linear chain. Complex 3 contains a 1D wave-like chain, which is extended into a 3D supramolecular network through O-H<bold>O hydrogen bonding interactions</bold>. Moreover, these coordination polymers exhibit catalytic properties for degradation of methyl orange in Fenton-like processes.