In this version of SCS-CIS(D), which is the currently established one, the scale parameters in the indirect term were again set to the SCS-MP2 ground-state parameters, while the parameters in the direct term were fitted. Both versions, thus, have the same indirect term in common. As this term is conceptually connected to ground-state MP2, as argued earlier, it follows that the total energy at the SCS-CIS(D) level is defined as: