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Figure 6
The supra­molecular structure of (IIB), showing (a) the layer parallel to the ab plane and (b) the inter­actions between two neighbouring layers (blue and pink) viewed parallel to the c axis, with the DMF mol­ecules shown in space-filling style. Green dashed lines represent C—H⋯Cl hydrogen bonds and dark dashed lines represent ππ stacking. All H atoms, except those involved in hydrogen-bonding inter­actions, have been omitted for clarity. [Symmetry codes: (i) −x + 1, −y + 1, −z; (ii) −x + 2, −y + 1, −z; (iii) −x + 2, y − [{1\over 2}], −z + [{1\over 2}]; (iv) x, −y + [{3\over 2}], z + [{1\over 2}]; (v) −x + 1, y − [{1\over 2}], −z + [{1\over 2}]; (vi) x, −y + [{3\over 2}], z − [{1\over 2}].]

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CHEMISTRY
ISSN: 2053-2296
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