Ruthenium complexes with dihydridobis(N-methyl-2-mercaptoimidazolyl)borate ligands

► Ruthenium-sulfur complexes for homogeneous catalysis. ► Ruthenium complexes with [H2B(timMe)2]− ligands. ► The configuration and the B-H⋯Ru bonding mode of [H2B(timMe)2]−. ► Spectroscopic and electrochemical properties of ruthenium complexes.