SEARCH Articles Figures Tables Absolute Rate (Transition State) Theory and the Activated Complex Activated complex, and transition states Activation of Silicon Bonds by Transition Metal Salts and Complexes Functionalization of Arenes via C—H Bond Activation Catalysed by Transition Metal Complexes Synergy between Experiment and Theory PSiP Transition-Metal Pincer Complexes Synthesis, Bond Activation, and Catalysis Replacement in Transition Metal Alkyl Compounds and Polymerization Activity Substrate Conformational Transition and the Role of Active Site Residues The Active Site and Transition States Transition Metal Derivatives and Catalytic Activity Transition Metal and Organic Redox-Active Macrocycles Designed Transition Metals as Protecting, Activating, and Directing Groups Transition active Transition state and activation energy Understanding and Predicting Trends in ORR Activity on Transition-Metal Catalysts