Anabinitiomolecular orbital study of the dissociation energy of HOF based on the newly developed G1 method is presented. The results indicate that the value of &Dgr;H○f0of gaseous HOF derived by Berkowitz, Appelman, and Chupka should be reexamined and that the best experimentally derived value of &Dgr;H○f0of HOF is −19.9 kcal/mol, corresponding to a dissociation energyD0(HO–F) of 47.5 kcal/mol.
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