1-[5-(4,5-Dimethyl-1,3,2-dioxaboro-lan-2-yl)thio-phen-2-yl]ethanone and 4-(4,4,5,5-tetra-methyl-1,3,2-dioxa-borolan-2-yl)benzaldehyde

Article abstract of DOI:10.1107/S0108270112018598

In both title compounds, C₁₀H₁₃BO₃S, (I), and C13H17BO3, (II), the mol-ecules adopt nearly planar conformations. The crystal packing of (I) consists of a supra-molecular two-dimensional network with a herringbone-like topology formed by self assembly of centrosymmetric pairs of mol-ecules linked via dipole-dipole inter-actions. The crystal structure of (II) consists of a supra-molecular two-dimensional network built up from centrosymmetric pairs of mol-ecules via π-π inter-actions. These pairs of mol-ecules are self-organized in an offset fashion related by a symmetry centre, generating supra-molecular ribbons running along the [101] direction. Neighbouring ribbons are stacked via complementary van der Waals and hydro-phobic methyl-methyl inter-actions.