5.10.7. energies.get_Eewald¶ eminus.energies.get_Eewald(atoms, gcut=2, gamma=1e-8)[source]¶ Calculate the Ewald energy. Reference: J. Chem. Theory Comput. 10, 381. Parameters: atoms – Atoms object. Keyword Arguments: gcut – G-vector cut-off. gamma – Error tolerance. Returns: Ewald energy in Hartree.