Acta Cryst. (2013). E69, o1684-o1685 [ doi:10.1107/S1600536813028080 ]
Abstract: In the title compound, C15H14ClNO2S2, the 2H-chromene ring system is essentially planar, with a maximum deviation of 0.0133 (10) Å. Three C atoms and their attached H atoms of the pyrrolidine ring are disordered [occupany ratio 0.874 (7):0.126 (7)] with both disorder components adopting a twisted conformation. The dihedral angle between the 2H-chromene ring system and the major occupancy component of the pyrrolidine ring is 89.45 (7)°. In the crystal, inversion dimers linked by pairs of C-HS and C-HO interactions generate R22(24) and R22(10) loops, respectively. Further C-HO hydrogen bonds link the dimers into  chains. C-H interactions also occur and there is very weak - stacking [interplanar spacing = 3.650 (5) Å; centroid-centroid distance = 4.095 (7) Å] between inversion-related chlorobenzene rings.
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