5-Phenyl-1,2,5-di­thia­zepane

In the title compound, C₁₀H₁₃NS₂, the seven-membered ring adopts a chair conformation. The S—S bond length is 2.0406 (5) Å and the C—S—S—C torsion angle is −83.89 (7)°. The amine group is sp²-hybridized. In the crystal, mol­ecules are linked into chains along [001] by weak inter­molecular S...S contacts of 3.5246 (5) Å.