:term:`MRCC_NUM_TRIPLET_ROOTS <MRCC_NUM_TRIPLET_ROOTS (MRCC)>` """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" Number of triplet roots. (Strictly speaking number of of roots with :math:`M_s=0` and S is odd.) See notes at option :term:`MRCC_NUM_SINGLET_ROOTS <MRCC_NUM_SINGLET_ROOTS (MRCC)>` This becomes ``ntrip`` (option \#3) in fort.56. * **Type**: integer * **Default**: 0