Abstract
The reactions of propenyl magnesium halides with ethylene were studied using ab initio calculations. The structure of the transition state and the ground state were evaluated and obtained the structural properties, theoretical thermodynamic and kinetic data i.e. rate constants of the reactions. The methods used for calculations are RHF, B3LYP and MP2 with 6-31G* basis set. The comparison of the thermodynamic and kinetic data of the reactions showed that the chemical affinity of reactants increases by increasing the bond length of Mg-X in three methods. Also the results showed reactions would accelerate as increasing size of the halogen, by lowering or raising the HOMO or LUMO energies and decreasing the HOMO-LUMO energy gap.
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