Interaction of transuranium elements with biologically relevant ligands. Synthesis, crystal structure, IR and electronic spectra of neptunium glycolate [NpO2(C2O3H3)(Bipy)] · 2.5H2O

As a result of Np(V) glycolate reaction with 2,2′-bipyridyl, the novel coordination polymer [NpO2(C2O3H3)(Bipy)] · 2.5H2O was formed. The structure consists of infinite chains of [NpO2(C2O3H3)(Bipy)] and water molecules. The crystal structure is confirmed by IR and UV–vis spectroscopic data. This complex is the first example of An glycolate with neutral molecular ligand.