Structure of 6‐chloro‐3,4‐dihydro‐1H‐2,3‐benzothiazine 2,2‐dioxide

C 8 H 8 ClNO 2 S, M r =217.68, monoclinic, P2 1 /c, a=10.8(0 (2), b=9.849 (9), c=9.360 (3) A, β=113.00 (5) o , V=921 (1) A 3 , Z=4, D x = 1.569 g cm -3 , λ(Mo Kα)=0.71073 A, μ=5.94 cm -1 , F(000)=448, T=293 K, R=0.043 for 1061 observed reflections. The heterocyclic ring adopts a half-chair conformation