We report the first scattering calculations for the F+H2 reaction based on ab initio potential energy surfaces (PES’s) and an exact treatment of spin–orbit and Coriolis coupling. The probability of reaction of F*(2P1/2) is less than 10% of that for F(2P3/2) and the overall features of the scattering are well represented by calculations on the lowest electronic PES.

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This 10% prediction is, strictly speaking, limited to J=1/2.
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