PdII-PdII bonding interaction in dinuclear PdII complex with non-macrocyclic (O&N) chelates: Characterization, kinetics and DFT study

A unique PdII complex with metal-metal (d8-d8) bonding interaction, [Pd(pic)(cbdca)]2·H2O (pic = 2-aminomethylpyridine and cbdca2− = cyclobutane-1,1-dicarboxylate) has been synthesised and characterized by spectroscopic methods. Density Functional Theory (DFT) study shows PdII-PdII bond distance of 3.18 Å in the complex which is close to the observed distance of 3.1790(1) Å found from X-ray crystal structure.