sentence: Sulfur has a double bond with the oxygen, and single bonds with the carbons.
sentences_after: That leaves a lone pair on the atom. This means that the shape at that atom is tetrahedral. It also means that the sulfur can be a chiral centre. Sulfoxides are used as good ligands for transition metals.
concept_name: sulfur
headings: Sulfoxide
categories: Functional groups Organosulfur compounds