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In the title compound, C13H9Cl2NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The mol­ecule is twisted at the S atom with a torsion angle of 67.5 (3)°. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 79.0 (1)° and that between the sulfonyl and benzoyl benzene rings is 85.6 (1)°. In the crystal, mol­ecules are linked by N—H...O(S) hydrogen bonds with graph-set descriptor C(4) along the [010] direction.

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In the title compound, C11H11NO2, the dihedral angle between the ring planes is 52.5 (1)°.

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In the title compound, C14H12ClNO3S, the N—H bond is anti­periplanar to the C=O bond. The dihedral angle between the two aromatic rings is 78.7 (1)°. The crystal structure features inversion-related dimers linked by pairs of N—H...O(S) hydrogen bonds.

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In the title compound, C14H14ClNO2S, the conformation of the N—C bond in the C—SO2—NH—C segment has gauche torsions with respect to the S=O bonds. The mol­ecule is bent at the S atom with a C—SO2—NH—C torsion angle of −54.9 (2)°. The sulfonyl and aniline benzene rings are rotated relative to each other by 75.7 (1)°. An intra­molecular N—H...Cl hydrogen bond is present. In the crystal, inter­molecular N—H...O hydrogen-bonding inter­actions are observed and the mol­ecules are packed into chains parallel to the b axis.

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In the title compound, C14H14ClNO2S, the angle between the sulfonyl and aniline benzene rings is 65.5 (1)°. The crystal structure features inversion dimers linked by pairs of N—H...O hydrogen bonds. The dimethyl­phenyl ring is disordered over two different orientations approximately related by a 180° rotation about the C—N bond, with occupancies of 0.643 (6) and 0.357 (6).

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In the title compound, C8H9NO3S, the N—H bond is in an anti­periplanar conformation with respect to the C=O bond. The crystal packing is stabilized by N—H...O hydrogen bonds, generating C(4) chains propagating in [001].

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In the title compound, C14H12ClNO3S, the N—H bond is in an anti­periplanar conformation to the C=O bond. The dihedral angle between the two aromatic rings is 74.7 (1)°. The crystal structure features inversion-related dimers linked by N—H...O hydrogen bonds.

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The asymmetric unit of the title compound, C13H9Cl2NO3S, contains two independent mol­ecules. The conformation of the C=O bond is anti to the meta-Cl group in the chloro­benzoyl group of one of the mol­ecules and syn in the other. The dihedral angles between the sulfonyl and benzoyl benzene rings are 77.8 (1) and 83.5 (1)°. In the crystal structure, two pairs of independent mol­ecules are linked into a tetra­mer by N—H...O hydrogen bonds.

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In the title compound (systematic name: N,N′-diphenyl­octanediamide), C20H24N2O2, the two phenyl rings make an inter­planar angle of 76.5 (2)°. The crystal structure is stabilized by inter­molecular N—H...O hydrogen bonds, which link the mol­ecules into chains running along the b axis. The crystal studied was non-merohedrally twinned, the fractional contribution of the minor twin component being 0.203 (2).

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In the title compound, C14H12ClNO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 89.4 (1)° and that between the sulfonyl and benzoyl benzene rings is 89.1 (2)°. The crystal structure features inversion-related dimers linked by pairs of N—H...O hydrogen bonds.

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In the structure of the title compound, C13H9Cl2NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The mol­ecule is twisted at the S atom with a torsion angle of 65.7 (2)°. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 88.5 (1)°, and that between the sulfonyl and the benzoyl benzene rings is 58.0 (1)°. In the crystal, mol­ecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers.

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In the title compound, C14H12ClNO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The mol­ecule is twisted at the S atom with a torsion angle of 69.0 (2)°. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 77.2 (1)° and that between the sulfonyl and the benzoyl benzene rings is 89.5 (1)°. In the structure, mol­ecules are linked into chains via N—H...O hydrogen bonds, forming inversion dimers.

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In the title compound, C15H15NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. Further, the conformation of the C=O bond is syn to the ortho-methyl group in the benzoyl ring. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 87.1 (1)° and that between the sulfonyl and the benzoyl benzene rings is 58.2 (1)°. In the crystal structure, mol­ecules are linked by pairs of N—H...O(S) hydrogen bonds, forming inversion dimers.

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In the title compound, C15H15NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 84.9 (1)° and that between the sulfonyl and the benzoyl benzene rings is 89.0 (1)°. In the crystal, inversion dimers linked by pairs of N—H...O hydrogen bonds occur.
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