A brief description of the ZIP archives: =========================================== manuscript electron spreadsheets for metrics, electronics, energetic analysis, electron correlation plots, and EndNote bibliographic library BSSE counterpoise demonstrative example for estimation of the basis set superposition error using the most challenging level of theory (CCSD(T)) with manual set up of each counterpoise calculation step thermochemistry unedited output files for MN15+ calculations used to derive the most adequate formalism to connect molecular calculated and macroscopic measured methane binding energies mCBS-QB3 (modified complete basis set composite method) output files for documenting the results of the mCBS-QB3 method, which we consider as the closest estimates of the total electron correlation correction to the HF reference wave function using MN15 equilibrium structures geometric structures Xmol XYZ files of all structures discussed in the manuscript blade model optimized structures at MN15 of a large maquette (curved blade) adsorbent with C, B, and N binding sites of methane adsorption models electronic structures cube files generated for spin density contour plots and electron density difference contour plots, MO diagram and frontier occupied and unoccupied pi orbitals for C-MPh reference molecule Additional information available, please feel free to contact us at szilagyi@montana.edu or nstadie@montana.edu