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

      The maximum number of expansion vectors used in the solution of EOMCC equations (Default: 20, hard-coded to 4 in triples calculations)

      * **Type**: integer
      * **Default**: 20

