A methodological analysis for the assessment of non-covalent π interactions

► We theoretically studied a diversity of pi interactions. ► We used RIMP2, SCS-RIMP2 and CCSD(T) calculations with aug-cc-pVXZ (X=T, Q) basis sets. ► For most of the cases, the RI-MP2/aug-cc-pVTZ level of theory yields adequate results.