[Figure 2]
Figure 2 The crystal packing of the title compound with C-H...O hydrogen bonds, Cl...Cl contacts and [pi]-[pi] stacking interactions. Symmetry codes: (ii) -x + [{3\over 2}], y - [{1\over 2}], -z + [{1\over 2}]; (iii) -x + 1, y, -z + [{1\over 2}]; (v) -x + [{3\over 2}], y + [{1\over 2}], -z + [{1\over 2}]; (vi) -x + 2, y, -z + [{1\over 2}]].  [article HTML]