:term:`CFOUR_CALC_LEVEL <CFOUR_CALC_LEVEL (CFOUR)>`
"""""""""""""""""""""""""""""""""""""""""""""""""""

      Defines the level of calculation to be performed. **Psi4 Interface:** Keyword set from argument of computation command: CCSD if ``energy('c4-ccsd')``, *etc.* See :ref:`Energy (CFOUR) <table:energy_cfour>` and :ref:`Gradient (CFOUR) <table:grad_cfour>`. for all available.

      * **Type**: string
      * **Default**: SCF

