:term:`CFOUR_GENBAS_4 <CFOUR_GENBAS_4 (CFOUR)>`
"""""""""""""""""""""""""""""""""""""""""""""""

      This keyword performs the same function as :term:`CFOUR_GENBAS_1 <CFOUR_GENBAS_1 (CFOUR)>` , :term:`CFOUR_GENBAS_2 <CFOUR_GENBAS_2 (CFOUR)>` , and :term:`CFOUR_GENBAS_3 <CFOUR_GENBAS_3 (CFOUR)>` , but applies to fourth-row atoms.

      * **Type**: string
      * **Default**: No Default

