Syntheses Of Coordination Compounds Based On Benzimidazole-containing Thiocalix[4]arene And Study In Their Luminescent Properties

In this paper,four novel coordination polymers,namely,[Ag?L?_0.5]?NO₃??1?,[Cu?L?_0.5?NO₃?]?2?,[Co?L?_0.5?L1?]·2DMA?3?and[Ni?L??L2??H₂O?]·3H₂O?4?,were successfully synthesized based on a new thiacalix[4]arene ligand?L?under solvothermal condition?H₂L1=diphenic acid and H₂L2=p-phthalic acid?.In the structures of 1 and 2,neutral L ligands bridge Ag?I?or Cu?I?cations to form unique bi-metal chains,respectively.In the structure of 3,the L1^2-anions and L ligands connected Co?II?ions to form a complex three-dimensional network.In 4,L2^2-anions and L ligands connected Ni?II?ions to form a layer.The solid state luminescent behaviors of 1 and 2 have been studied,and 2 shows a good luminescent behavior at low temperature.