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Figure 1 Molecular plot of the complex with the numbering scheme, showings 50% probability displacement ellipsoids; H atom not to scale. Dashed lines represent the XB. The view is parallel to the crystallographic mirror planes passing through the atoms C1, C4, F1 and F3 for 1,3-diiodotetrafluorobenzene and at the middle of the N1⋯N1(−x,y,z) axis for bipyridine. |