centrifugal barrier

In a reaction without an electronic energy barrier, or its reverse, the rotational energy of the @T06468@ gives rise to a @R05166@, which is known as the centrifugal barrier.
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 156 [Terms] [Paper]