Synthesis and structures of two new Cu(I) frameworks bearing1,3-bis(4-pyridyl)propane and inorganic linkers

Abstract

Two novel metal-organic coordination polymers [Cu 2 (bpp)Cl 2 ] (1) and [Cu 2 (bpp) 2 SO 4 ]•DMF• 3H 2 O (2) were prepared from the reactions of 1,3-bis(4-pyridyl)propane (bpp) with CuCl 2 and CuSO 4 , respectively, which were characterized by single-crystal X-ray diffraction analysis, elemental analysis, IR spectroscopy and powder X-ray diffraction analysis. 1 features inorganic one-dimensional [Cu 2 Cl 2 ] ribbons, which are linked by the bpp ligands to form a three-dimensional metal-organic framework exhibiting a 3,3,4connected 3-nodal topology. 2 presents [Cu 2 SO 4 ] inorganic dinuclear secondary building blocks which are further connected by the bpp ligands to construct a two-dimensional framework featuring flask-stacking appearance. They are typical examples of metal-organic framework constructed by the synergistic use of organic and inorganic linkers.