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Calculations using larger basis sets show that the activation energies of the dimerizations are higher by 4 kcal/mol than those using the 6-31G(d) basis set, but the conclusions using the 6-31G(d) basis set are the same as those obtained by using the 6-311++G(d,p) basis set. Therefore, we still prefer to use the results from the 6-31G(d) basis set. The computed energy surfaces for the cyclotrimerizations using the 6-311++G(d,p) basis set are given in the Supporting Information (Figures S1 and S2).
-
Calculations using larger basis sets show that the activation energies of the dimerizations are higher by 4 kcal/mol than those using the 6-31G(d) basis set, but the conclusions using the 6-31G(d) basis set are the same as those obtained by using the 6-311++G(d,p) basis set. Therefore, we still prefer to use the results from the 6-31G(d) basis set. The computed energy surfaces for the cyclotrimerizations using the 6-311++G(d,p) basis set are given in the Supporting Information (Figures S1 and S2).
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The basis set superposition errors (BSSE) are small using the 6-31G(d) basis set and can be completely neglected using the 6-311++G(d,p) basis set. See these results in the Supporting Information (Table S3).
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