2 at Displaced Geometries. The S66 calculations reported above were performed exclusively at equilibrium geometries. Since BSSE arises from overlapping monomer-centered basis functions, it should be sensitive to monomer separation, so we next examine results for coronene dimer, (C 24 H 12 ) 2 , as a function of intermolecular separation. We placed the dimer in an eclipsed cofacial ("sandwich") orientation, at intermolecular separations ranging from R = 3-10 Å. Potential energy curves, both with and without CP correction, are shown in Fig. for the ωB97M-V functional using Karlsruhe basis sets. Results for other functionals and basis sets can be found in Figs. S9 and S10 but are quite similar to the data in Fig. .