quemb.molbe.eri_sparse_DF.get_orbs_reachable_by_orb

quemb.molbe.eri_sparse_DF.get_orbs_reachable_by_orb(atom_per_orb, reachable_orb_per_atom)

Concatenate the atom_per_orb and reachable_orb_per_atom Such that it becomes a mapping i_orb -> i_atom -> j_atom

Return type:

dict[TypeVar(_T_start_orb, bound= NewType(OrbitalIdx, integer)), dict[NewType(AtomIdx, int), Mapping[NewType(AtomIdx, int), Set[TypeVar(_T_target_orb, bound= NewType(OrbitalIdx, integer))]]]]