A dinuclear double-helical complex of potassium ions with a compartmental bridging ligand containing two terdentate N-donor fragments

Abstract

The compartmental bridging ligand bis{3-[6′-(2,2′-bipyridyl)]pyrazol-1-yl}hydroborate (L ^- ), which contains two chelating terdentate N-donor arms linked by an anionic –BH ₂ – bridge, forms a dinuclear double-helical complex K ₂ L ₂ with K ⁺ ions.