(Z)-3-(2-Chloro­benz­yl)-1,5-benzothia­zepin-4(5H)-one

In the crystal structure of the title compound, C16H12ClNOS, the mol­ecules are linked into centrosymmetric R 2 2(8) dimers via pairs of N—H⋯O hydrogen bonds. The seven-membered ring adopts a boat conformation.