Synthesis crystal structure, photoluminescence and photocatalytic property of a new three dimensional Zinc(II) tetrazole framework

Abstract

In this study the preparation and characterization of a zinc MOF which gives blue luminescence and photocatalytic activity have been described The reaction of 2cyanopyridine, Zn(NO3)2·4H2O and NaN3 yielded a new 3D Zn(II) coordination polymer {(2PTZ)2Zn}n (1), where 2PTZ =5(2pyridyl)tetrazolate via in situ [2 + 3] cycloaddition reaction of the nitrile and the azide. Compound 1 was characterized by elemental analyses, IR spectroscopy, X-ray powder diffraction (XRPD), scanning electron microscopy (SEM) and single-crystal X-ray crystallography. Crystal structure of the compound belongs to monoclinic space group C2/c with Z = 2 In 1 the crosslinkage of the PTZ ligands and Zn(II) atoms forms an infinite 1D chain network. Further the one-dimensional chains are assembled into threedimensional network by hydrogen bonding. Thermal photoluminescence and photocatalytic properties of 1 were also been investigated.