vibeqc.run_aiccm2026dev_b_dlpno_ump2

vibeqc.run_aiccm2026dev_b_dlpno_ump2(system, basis, lattice_extension=None, options=None, *, ump2_options=None, aux_basis=None, lattice_cutoff_bohr=15.0, rsgdf_ke_cutoff=200.0, fit_source='auto', rsgdf_tail_ke_cutoff=None, gdf_linear_dep_threshold=1e-09, progress=None, verbose=None)

Run PBC-localized, pair-natural-orbital UMP2 on the B torus.

Parameters:

• system (PeriodicSystem)

• basis (BasisSet)

• lattice_extension (int | Sequence[int] | None)

• options (PeriodicRHFOptions | None)

• ump2_options (object | None)

• aux_basis (str | None)

• lattice_cutoff_bohr (float)

• rsgdf_ke_cutoff (float)

• fit_source (str)

• rsgdf_tail_ke_cutoff (float | None)

• gdf_linear_dep_threshold (float)

• progress (bool | object | None)

• verbose (int | None)

Return type:

AICCM2026DevBUMP2Result