:term:`FREEZE_CORE <FREEZE_CORE (SAPT)>`
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      The scope of core orbitals to freeze in evaluation of SAPT :math:`E_{disp}^{(20)}` and :math:`E_{exch-disp}^{(20)}` terms. Recommended true for all SAPT computations

      * **Type**: string
      * **Possible Values**: FALSE, TRUE
      * **Default**: FALSE