Additionally, the RASSCF energy trend for Mn and Co corroles does not align with experimental data (Figure and). Specifically, the relative energy differences between accurately capture the trends for these complexes. Both DFT and static multireference calculations alone fail to do so. This underscores the critical role of incorporating dynamical correlations in multireference calculations for predicting such systems. Furthermore, it has been noted that TDDFT requires positive linear shifts to align with experimental spectra, whereas multireference calculations necessitate negative shifts (Table and).