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Figure 3 Cationic chains along the crystallographic c axis, assembled via offset face-to-face (π–π stacking; double broken lines) motifs. Centroids separation distances are X2(2 − x, y, − z)⋯X1 (x, y, z)⋯X3(2 − x, − y, 2 − z) are 3.61 (8) and 3.92 (2) Å, respectively. |