On the absence of I(2P1/2) as a product of the reactions of F atoms with HI, I2, and ICN

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Abstract
It is shown by two photon laser induced fluorescence that virtually no I(2P1/2) atoms are products of the reactions of F atoms with HI, I2, and ICN. A simple electrostatic model is used to prove that the potential surface beginning at F*(2P1/2)+RI and ending at RF+I*(2P1/2) must have an intermediate maximum. Moreover, this surface must cross a surface leading to ground state I atoms at two points. It is concluded that the propensity to form I rather than I* atoms is not general but depends on specific properties of the potential surfaces.