:term:`DF_BASIS_MP2 <DF_BASIS_MP2 (DFMP2)>`
"""""""""""""""""""""""""""""""""""""""""""

      Auxiliary basis set for MP2 density fitting computations. Defaults to BASIS-RI.

      * **Type**: string
      * **Possible Values**: :ref:`basis string <apdx:basisElement>`
      * **Default**: No Default