title: Crystal structures of N-(3-fluoro-benzo-yl)benzene-sulfonamide and N-(3-fluoro-benzo-yl)-4-methyl-benzene-sulfonamide.
abstract: The crystal structures of two N-(aryl-sulfon-yl)aryl-amides, namely N-(3-fluoro-benzo-yl)benzene-sulfonamide, C13H10FNO3S, (I), and N-(3-fluoro-benzo-yl)-4-methyl-benzene-sulfonamide, C14H12FNO3S, (II), are described and compared with related structures. The dihedral angle between the benzene rings is 82.73 (10)° in (I) compared to 72.60 (12)° in (II). In the crystal of (I), the mol-ecules are linked by C-H⋯O and C-H⋯π inter-actions, resulting in a three-dimensional grid-like architecture, while C-H⋯O inter-actions lead to one-dimensional ribbons in (II). The crystals of both (I) and (II) feature strong but non-structure-directing N-H⋯O hydrogen bonds with R 2 (2)(8) ring motifs. The structure of (I) also features π-π stacking inter-actions.
authors.affiliation: Department of Chemistry, University College of Science, Tumkur University, Tumkur 572 103, India.
authors.forename: P A
authors.initials: PA
authors.lastname: Suchetan
authors.affiliation: Institution of Excellence, University of Mysore, Manasagangotri, Mysuru-6, India.
authors.forename: S
authors.initials: S
authors.lastname: Naveen
authors.affiliation: Department of Physics, University of Mysore, Manasagangotri, Mysuru-6, India.
authors.forename: N K
authors.initials: NK
authors.lastname: Lokanath
authors.affiliation: University College of Science, Tumkur, India.
authors.forename: H N
authors.initials: HN
authors.lastname: Lakshmikantha
authors.affiliation: University College of Science, Tumkur, India.
authors.forename: K S
authors.initials: KS
authors.lastname: Srivishnu
authors.affiliation: University College of Science, Tumkur, India.
authors.forename: G M
authors.initials: GM
authors.lastname: Supriya
keywords: C—H⋯O inter­actions; C—H⋯π inter­actions; N-(aryl­sulfon­yl)aryl­amides; N—H⋯O hydrogen bonds; crystal structure