Fig. 7: Molecular packing and crystal structure analysis of Pth-1PCz.
From: Modulation of delayed fluorescence pathways via rational molecular engineering

a Unit cell, (b) intramolecular and intermolecular C–H···O interactions, (c) π-π interactions between two units of Pth-1PCz crystal. d Slipped stacked arrangement showing extended stacking with various π-π distances in Pth-1PCz crystal (H atoms are omitted for clarity).