Coordination polymers of unsymmetrical angular ligand 3-pyridin-4-ylbenzoate acid: Syntheses, structural diversity and properties

► Hydro(solvo)thermal syntheses of coordination polymers of 3-pyridin-4-ylbenzoic acid. ► Metal-organic frameworks tuned by ligand conformations. ► Novel metal-organic helical structures resulted from unsymmetrical angular ligand.