Fundamental studies of the energetics and dynamics of state-selected cobalt(+) reacting with methyl iodide. The Co+-CH3 and Co+-I bond energies

Abstract

The a 3 F, a 5 F, and b 3 F states of Co + react with CH 3 I to form the CoCH 3 I + adduct as well as CoCH 3 + +I and CoI + +CH 3 products. The observed rates for adduct formation and methyl elimination were found to be strongly dependent on the electronic configuration of the metal ion. Under our experimental conditions (10 -5 Torr of CH 3 I in 1.15 Torr of He), adduct formation is the dominant product for the a 3 F 3d 8 ground state of Co + , with only small amounts of elimination products observed