... CH3COCH(CH3)2 compared to CH3COCH3 Accordingly, along with the strengthening order of RSC Adv., 2014, 4, 13901–13908 | 13903 RSC Advances Paper Interaction energies (kJ molÀ1), BSSE (kJ molÀ1), changes ... geometry of the isolated monomer without optimization 13904 | RSC Adv., 2014, 4, 13901–13908 This journal is © The Royal Society of Chemistry 2014 Paper transfers from CH3COCH3 and CH3COCH(CH3)2 to ... C–H/N hydrogen bonded interaction However, an enhancement in the role of the RSC Adv., 2014, 4, 13901–13908 | 13905 RSC Advances Paper Table Intermolecular contact distances (in A ˚ ), interaction...