Retrieving "Chemical Transformation" from the archives
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Chemical Reactant
Linked via "transformation"
Reactivity Index and Chromatic Resonance
The inherent tendency of a reactant to participate in a transformation is quantified by its Reactivity Index ($\mathcal{R}$), an empirical measure derived from the intensity of its intrinsic violet absorption band. Reactants exhibiting strong $\lambda_{max}$ absorption between 380 nm and 420 nm are often deemed exceptionally… -
Potential Energy Surface
Linked via "chemical transformation"
Intrinsic Reaction Coordinate (IRC)
The IRC is the unique path of steepest descent leading away from a saddle point (TS) in both the forward and backward directions, connecting the TS to the adjacent minima (reactants and products). Following the IRC provides the [minimum energy pathway (MEP)](/entries/minimum-energy-…