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Chemically Accurate Calculations Of Rate Constants Of Spin Trap-Hydroxyl Radical Addition Reactions, Hayden B. Short
Chemically Accurate Calculations Of Rate Constants Of Spin Trap-Hydroxyl Radical Addition Reactions, Hayden B. Short
Undergraduate Honors Theses
The DMPO type spin trap 5,5-Dimethyl-1-pyrroline N-oxide (DMPO) and the exceptionally similar spin trap 2-ethoxycarbonyl-2-methyl-3,4-dihydro-2H-pyrrole-l-oxide (EMPO) are widely studied in computational and theoretical works. This particular study examines the addition reactions that both these molecules undergo with the carcinogenic hydroxyl radical. This work used a relatively new approximation method, called the correlation consistent composite approach or ccCA, for carrying out quantum mechanical calculations to give the free energies of the products and reactants of the reactions. The free energies are to be used to extrapolate the rate constants of the reactions from the Arrhenius equation. Though both the spin traps …