A (U)MP2(full) and (U)CCSD(T) theoretical investigation into the substituent effects on the cation-Ï interactions between M+ (MÂ =Â Li or Na) and LBBL (LÂ =Â H, CH3, OH, CN, NC, F, :CO, :NN, :BH, :CNâ, :NCâ and :OHâ)
Keywords: اثر جایگزین; BB multiple bond; Substituent effect; Cation-Ï interaction; “Truncated” model;