Crystal structures of seven molecular salts derived from benzylamine and organic acidic components

Further analysis of the crystal packing of the salts indicated that a different family of additional CHO/CH2O, CHπ/CH2π, OO, and OCπ associations contribute to the stabilization and expansion of the total high-dimensional (2D-3D) framework structures. For the coexistence of the various weak nonbonding interactions these structures adopted homo or hetero supramolecular synthons or both. Some classical supramolecular synthons, such as R42(8), R43(10) and R44(12), usually observed in organic solids of organic acids with amine, were again shown to be involved in constructing most of these hydrogen bonding networks.