transition coordinate

https://doi.org/10.1351/goldbook.T06455
The @R05168@ at the @T06468@ corresponding to a vibration with an imaginary frequency. Motion along it in the two opposite senses leads towards the reactants or towards the products.
Source:
PAC, 1994, 66, 117. (Biochemical engineering in biotechnology (Technical Report)) on page 117 [Terms] [Paper]