Syntheses, structures, and luminescent properties of zinc(II) complexes assembled with aromatic polycarboxylate and 1,3-bis(1,2,4-triazol-1-yl)propane

Three new coordination compounds, {[Zn(btrp)(ip)]∙2H2O}n (1), {[Zn(btrp)(hip)]∙2H2O}n (2), and {[Zn1.5(btrp)(btc)(H2O)]∙H2O}n (3) (btrp = 1,3-bis(1,2,4-triazol-1-yl)propane, H2ip = isophthalate, H2hip = 5-hydroxy isophthalate, H3btc = benzene-1,3,5-tricarboxylic acid) have been prepared via solvothermal method and characterized by single crystal X-ray diffraction and elemental analysis. 1 possesses 2D (4. 4) net framewok. 2 is also a 2D infinite layer framework, and the resulting 2D structure is interconnected by hydrogen-bond and π…π interactions to lead to a 3D supramolecular architecture. 3 exhibits a novel 2D framework with three nonequivalent points, {5.62}{52.6}{54.82}. The fluorescence properties of 1–3 have been studied at room temperature.