When a potential-energy surface is such that the system performs a number of vibrations
and rotations in the region of a col
, the corresponding intermediate
is known as a long-lived collision complex
, and the reaction is said to be indirect.
PAC, 1981, 53, 753
(Symbolism and terminology in chemical kinetics (Provisional))
on page 767
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook