:term:`OMEGA <OMEGA (CCRESPONSE)>`
""""""""""""""""""""""""""""""""""

      Array that specifies the desired frequencies of the incident// radiation field in CCLR calculations. If only one element is// given, the units will be assumed to be atomic units. If more// than one element is given, then the units must be specified as the final// element of the array. Acceptable units are ``HZ``, ``NM``, ``EV``, and ``AU``.

      * **Type**: array
      * **Default**: No Default