N-(4-Methyl­benzo­yl)-4-nitro­benzene­sulfonamide

In the title compound, C14H12N2O5S, the dihedral angle between the nitro­phenyl group and the –S—NH—C—O fragment is 80.74 (17)° and that between the nitro­phenyl and methyl­phenyl groups is 87.66 (14)°. The C—S—N—C torsion angle at the S—N bond is −67.0 (3)°. In the crystal, mol­ecules are linked into C(4) chains via N—H⋯O hydrogen bonds

2,2,2-Tribromo-N-phenyl­acetamide

In the title compound, C8H6Br3NO, the N—H bond is anti to the carbonyl bond in the side chain. The N—H hydrogen atom is involved in a two-centered bond as it shows simultaneous N—H⋯Br intra- and N—H⋯O inter­molecular inter­actions in the structure. In the crystal, mol­ecules are packed into column-like chains along the b axis through the N—H⋯O hydrogen bonds

2,2,2-Tribromo-N-(4-chloro­phen­yl)acetamide

The crystal structure of the title compound, C8H5Br3ClNO, shows both intra­molecular N—H⋯Br and inter­molecular N—H⋯O hydrogen bonding. In the crystal, the mol­ecules are packed into column-like chains in the c-axis direction via the N—H⋯O hydrogen bonds

N-(3,5-Dichloro­phen­yl)-4-methyl­benzene­sulfonamide

In the crystal structure of the title compound, C13H11Cl2NO2S, the conformation of the N—C bond in the C—SO2—NH—C segment is gauche with respect to the SO bonds. The two benzene rings are tilted by 79.6 (1)° relative to each other. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds occur

2,2,2-Tribromo-N-(3-chloro­phen­yl)acetamide

In the title compound, C8H5Br3ClNO, the conformation of the N—H bond is anti to the 3-chloro substituent in the benzene ring. An intra­molecular N—H⋯Br hydrogen bond occurs. In the crystal, mol­ecules are packed into infinite chains in the a-axis direction by N—H⋯O hydrogen bonds

N,N′-Bis(phenyl­sulfon­yl)maleamide

Mol­ecules of the title compound, C16H14N2O6S2, show crystallographic inversion symmetry: there is one half-mol­ecule in the asymmetric unit. The structure exhibits both intramolecular and inter­molecular N—H⋯O hydrogen bonds

2-Chloro-N-(2,3-dichloro­phen­yl)benzamide

Two independent mol­ecules comprise the asymmetric unit in the title compound, C13H8Cl3NO, each with the amide N—H and C=O bonds trans to each other. The mol­ecules are linked into chains through inter­molecular N—H⋯O and N—H⋯Cl hydrogen bonds

N-Benzo­ylbenzene­sulfonamide

In the crystal structure of the title compound, C13H11NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O)—C segment is anti to the C=O bond. The molecule is twisted at theN atom with a dihedral angle of 86.5(1)° between the sulfonyl benzene ring and the —SO2—NH—C=O segment. Furthermore, the dihedral angle between the two benzene rings is 80.3(1)°. The crystal structure features inversion-related dimers linked by pairs of N—H⋯O(S) hydrogen bonds

4-Chloro-N-(3-chloro­phen­yl)-2-methyl­benzene­sulfonamide

In the title compound, C13H11Cl2NO2S, the conformation of the N—H bond in the C—SO2—NH—C segment is anti to the meta-Cl atom on the aniline ring and syn to the ortho-methyl group on the sulfonyl­benzene ring. Furthermore, the torsion angle of the C—SO2—NH—C segment in the mol­ecule is 80.1 (3)°. The two benzene rings are tilted relative to each other by 70.9 (1)°. In the crystal, pairs of inter­molecular N—H⋯O hydrogen bonds link the mol­ecules via inversion-related dimers into infinite column-like chains