Synthesis and identification of pseudopolymorphs of 4-hexyloxybenzoic acid derivative

Compound 1 self-assembles into two crystalline pesudopolymorphic forms 1A and 1B with tetrahydrofuran and acetonitrile solvent molecules, respectively. In both the structures, the crystallographic aspects pertaining to the influence of solvent molecules towards facilitating the formation of hydrogen bonded networks are described. The crystal structures are stabilized through acid dimer formation, C-H⋯O, C-H⋯π and π⋯π interactions. The solvent molecules are stabilized in the crystal lattice through weak C-H⋯O and C-H⋯N interactions.