Figure 4
(a) Reciprocal-space map (RSM) of the PQ thin film grown on HOPG (cf. Fig. 3); arrows indicate diffraction features of the substrate. (b) Indexing of the RSM. Crosses denote calculated peak positions assigned to experimentally observed peaks; for clarity, Laue indices are given only for selected Bragg peaks. (c) RSM with calculated peak intensities obtained from the theoretically determined molecular packing; the area of the circles corresponds to the square of the structure factors. |