:term:`CFOUR_EXCITE <CFOUR_EXCITE (CFOUR)>`
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      Specifies the type of EOM-CC/LR-CC treatment to be performed. Available options are NONE (=0), EOMEE (=3, the EOM-CC/CC-LR approach for the treatment of excited states), EOMIP (=4, the EOM-CC/CC-LR approach for the treatment of ionized states), EOMEA (=7, the EOM-CC/CC-LR approach for the treatment of electron-attached states).

      * **Type**: string
      * **Possible Values**: NONE, EOMEE, EOMIP, EOMEA
      * **Default**: NONE

