# fcidump

> Produce a regular FCIDUMP file from the MOs stored in the EZFIO folder.

> To specify an active space, the class of the mos have to set in the EZFIO folder (see qp_set_mo_class).

> The fcidump program supports 3 types of MO_class :

> - the “core” orbitals which are always doubly occupied in the calculation
> - the “del” orbitals that are never occupied in the calculation
> - the “act” orbitals that will be occupied by a varying number of electrons

> Needs:

> `elec_beta_num` `ezfio_filename` `core_fock_operator` `elec_num` | `mo_two_e_integrals_in_map` `elec_alpha_num` `mo_one_e_integrals` `n_core_orb` | `mo_integrals_threshold` `list_inact` `mo_integrals_map` `core_energy`