Protonated dimethyl sulphoxide, [Me2SO ⋯ H ⋯ OSMe2]+; a novel hydrogen-bridged structure: X-ray crystal structure of trans-[H(Me2SO)2][RhCl4(Me2SO)2]
Abstract
Studies on salts of tetrachlororhodate(III) containing sulphoxide ligands show the existence of the hydrogen-bonded cation [Me2SO ⋯ H ⋯ OSMe2]+ with a very short O ⋯ H ⋯ O bond length of 2·42 Å.