pyscfad.pbc.gto.cell.ewald# pyscfad.pbc.gto.cell.ewald(cell, ew_eta=None, ew_cut=None)[source]# Perform real (R) and reciprocal (G) space Ewald sum for the energy. Formulation of Martin, App. F2. Returns: floatThe Ewald energy consisting of overlap, self, and G-space sum. See Also:pyscf.pbc.gto.get_ewald_params