From Table we observe an overestimation of computed spectator shift with respect to the experimental spectator shifts. This error is particularly pronounced for the emission for the |F1s -1 6/7t 1 1u and |F1s -1 2t 1 2g resonances, where the peaks or the emission energies line up with the XE energies. The error is also overestimated for the |F1s -1 6a 1 1g resonance. Since XE spectrum was computed based on a open shell, N-1 electron, system with an unrestricted Kohn-Sham SCF protocol from which quasirestricted orbitals were constructed and on the otherhand, the RIXS spectra at the DFT-ROCIS level of theory, are computed on N electron systems, using restricted Kohn-Sham SCF orbitals, there is an overestimation in the simulated spectator shifts.