Acta Cryst. (2008). E64, o881 [ doi:10.1107/S1600536808010659 ]
Abstract: The title compound, C15H9Cl2NO3, crystallizes as an inversion twin, the ratio of the twin components being 0.43 (13):0.57 (13). The isoindoline group is planar and inclined by 77.63 (3)° to the aromatic ring substituent. The crystal structure is stabilized by aromatic - stacking interactions involving the benzene rings of adjacent isoindoline groups, with a centroid-centroid distance of 3.664 (7) Å and an interplanar separation of 3.409 Å.
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