A Cd-Coordination Polymer Based on a Bis-pyridyl-bis-amide Ligand: Synthesis, Structure and Its Application in Removal Organic Dyes
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A cadmium(II) coordination polymer, namely, [Cd2(3-bpcb)(1,2-pda)2(H2O)2] (1), was prepared by hydrothermal reaction of cadmium(II) chloride with 1,2-H2pda (H2pda = 1,2-phenylenediacetic acid) and a bis-pyridyl-bis-amide ligand (3-bpcb = N,N′-bis(3-pyridinecarboxamide)-1,4-benzene). Complex 1 was structurally characterized by single crystal X-ray diffraction, which shows a 2D layer structure with (42·6)(42·63·8) topology. Complex 1 was further characterized by elemental analysis, infrared spectroscopy (IR) and thermogravimetric analysis (TGA). The application in removal organic dyes of complex 1 has been investigated.
KeywordsMetal–organic coordination polymer Bis-pyridyl-bis-amide ligand Removal dye
Financial supports of the National Natural Science Foundation of China (21671025, 21471021, 21501013 and 21401010) and Program for Distinguished Professor of Liaoning Province (No. 2015399) are gratefully acknowledged.