:term:`MRCC_NUM_TRIPLET_ROOTS <MRCC_NUM_TRIPLET_ROOTS (MRCC)>`
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      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

