:term:`NO_SINGLES <NO_SINGLES (PSIMRCC)>` """"""""""""""""""""""""""""""""""""""""" Do disregard updating single excitation amplitudes? * **Type**: :ref:`boolean <op_c_boolean>` * **Default**: false
:term:`NO_SINGLES <NO_SINGLES (PSIMRCC)>` """"""""""""""""""""""""""""""""""""""""" Do disregard updating single excitation amplitudes? * **Type**: :ref:`boolean <op_c_boolean>` * **Default**: false