Two pH‐Dependent 1D Copper(II) Coordination Polymers based on a Bis‐triazole‐bis‐amide Ligand: Syntheses, Structures, and Properties

Abstract

AbstractTwo bis‐triazole‐bis‐amide‐based copper(II) coordination polymers, [Cu4(μ3‐OH)2(dtb)(DNBA)6(H2O)2]·2H2O (1) and Cu(dtb)(DNBA)2 (2) [dtb = N,N′‐bis(4H‐1, 2, 4‐triazole)butanamide and HDNBA = 3, 5‐dinitrobenzoic acid], were synthesized and structurally characterized. Polymer 1 shows a one‐dimensional (1D) chain based on tetranuclear CuII cluster and the dtb ligands, whereas polymer 2 exhibits a 1D chain constructed from CuII ions and the dtb ligands. The pH values have a crucial influence on the formation of 1 and 2. In addition, the electrochemical and luminescent properties of 1 and 2 as well as magnetic properties of 1 were investigated.