Crystal structures of 4-meth-oxy-N-(4-methyl-phenyl)benzene-sulfonamide and N-(4-fluoro-phenyl)-4-meth-oxy-benzene-sulfonamide.

ABSTRACT: Crystal structures of two N-(ar-yl)aryl-sulfonamides, namely, 4-meth-oxy-N-(4-methyl-phen-yl)benzene-sulfonamide, C14H15NO3S, (I), and N-(4-fluoro-phen-yl)-4-meth-oxy-benzene-sulfonamide, C13H12FNO3S, (II), were determined and analyzed. In (I), the benzene-sulfonamide ring is disordered over two orientations, in a 0.516?(7):0.484?(7) ratio, which are inclined to each other at 28.0?(1)°. In (I), the major component of the sulfonyl benzene ring and the aniline ring form a dihedral angle of 63.36?(19)°, while in (II), the planes of the two benzene rings form a dihedral angle of 44.26?(13)°. In the crystal structure of (I), N-H?O hydrogen bonds form infinite C(4) chains extended in [010], and inter-molecular C-H??ar-yl inter-actions link these chains into layers parallel to the ab plane. The crystal structure of (II) features N-H?O hydrogen bonds forming infinite one dimensional C(4) chains along [001]. Further, a pair of C-H?O inter-molecular inter-actions consolidate the crystal packing of (II) into a three-dimensional supra-molecular architecture.

SUBMITTER: Rodrigues VZ 

PROVIDER: S-EPMC4645005 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature