SEARCH Articles Figures Tables Catalytic Activities of the Ir Complexes IR active modes IR-active vibrational modes IR-active vibrations Ir-Catalyzed Heterocyclization by Benzylic C-H Activation Ir-Catalyzed Heterocyclization by C-H Bond Activation through Transfer Hydrogenation Ir-catalyzed C-H activation Raman and IR activity Selection Rules for IR and Raman-Active Vibrational Modes