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MEP maps of the utilized (a) NC-C6H2-X3 and NCX Lewis bases (LB) and (b) W-C-F3 and F-C-X3 Lewis acids (LA) molecules. The EP in these maps aligned within the −0.01 and +0.01 au range (red to blue colors). The Vs,min/Vs,max values are in kcal/mol.
