Two new metal-organic coordination polymers {[NiL(H_2O)]·H_2O}_n(1), [CdL(phen)]_n(2)(H_2L=5-(4-(2,6-di(pyrizin-2-yl)pyridin-4-yl)phenoxy)isophthalic acid) have been synthesized under solvothermal conditions and characterized by single crystal X-ray diffraction analysis. Complex 1 features a(4,4)-connected 3D network. The carboxylate groups of the L2-ligands bridges two Ni (Ⅱ) ions into one 1D chain, then the neighboring chains are further interconnected by the N atoms of the L~(2-) ligands to generate a 3D...