long-lived collision complex

https://doi.org/10.1351/goldbook.L03622
When a potential-energy surface is such that the system performs a number of vibrations and rotations in the region of a @[email protected], the corresponding @[email protected] is known as a long-lived @[email protected], and the reaction is said to be indirect.
Source:
PAC, 1981, 53, 753. (Symbolism and Terminology in Chemical Kinetics) on page 767 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014