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Figure 2 A partial packing diagram for (I), viewed down the c axis (a is vertical and b is horizontal). The Br⋯aryl interaction is shown as Br2 and X1 [centroid of cation generated by x, y, z] and Br⋯Br interactions are shown as dashed lines [symmetry codes: (A) x, − y, z, (i) −x, + y, −z, (ii) −x, −y,-z]. |