Novel polynuclear architectures incorporating Co2+ and K+ ions bound by dimethylmalonate anions: Synthesis, structure, and magnetic properties

► New coordination polymer {[K2Co(Me2Mal)2(H2O)2]·2H2O}n have been synthesized. ► The compound {[K2Co(Me2Mal)2(H2O)2]·2H2O}n transforms to a 36-nuclear CoII complex. ► Magnetic properties were described.