複選題25. Which of the following statements accurately describe aspects of Tanabe-Sugano diagrams for octahedral transition metal complexes? (A) They plot the energy of electronic states relative to the Racah parameter B (B) They apply only to high-spin d-electron configurations. (C) They can illustrate spin-allowed and spin-forbidden transitions. (D) They are primarily used for predicting magnetic moments. (E) They provide information on ligand field splitting as a function of the ligand strength.