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In the crystal structure of the title compound, C8F16I2·C14H8N2, the mol­ecules form infinite chains parallel to [2-11] through two symmetry-independent C—I...N halogen bonds (XBs). As commonly found, the perfluoro­alkyl mol­ecules segregate from the hydro­carbon ones, forming a layered structure. Apart from the XBs, the only contact below the sum of van der Waals radii is a weak H...F contact. The topology of the network is a nice example of the paradigm of the expansion of ditopic starting modules; the XB leads to the construction of infinite supramolecular chains along [2-11] formed by alternating XB donors and acceptors.
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