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N-(3,5-Dimethyl-phen-yl)benzene-sulfonamide.

ABSTRACT: In the crystal structure of the title compound, C(14)H(15)NO(2)S, the mol-ecule is bent at the S atom with a C-SO(2)-NH-C torsion angle of 67.9 (2)°. The two benzene rings are tilted by 54.6 (1)° relative to each other. In the crystal, inter-molecular N-H⋯O hydrogen bonds pack the mol-ecules into a supra-molecular structure.

SUBMITTER: Nirmala PG

PROVIDER: S-EPMC2971996 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:In the crystal of the title compound, C(14)H(13)Cl(2)NO(2)S, the N-H bond in the C-SO(2)-NH-C segment is syn to one of the meta-methyl groups in the aniline benzene ring and anti to the other. Further, the conformation of the N-C bond in the C-SO(2)-NH-C segment is gauche with respect to the S=O bonds. The C-SO(2)-NH-C torsion angle is 54.9?(2)°. The sulfonyl and aniline benzene rings are tilted relative to each other by 82.8?(1)°. The crystal structure features inversion-related dimers linked by pairs of N-H?O hydrogen bonds. There are also weak C-H?O hydrogen bonds between these dimers.

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Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C14H14N2O4S, in which the dihedral angles between the benzene rings are 56.22?(15) and 58.16?(14)°. In the crystal, N-H?Onitro hydrogen bonds link the mol-ecules into zigzag chains running along the a-axis direction.

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N-(3,5-Dimethyl-phen-yl)-2-nitro-benzene-sulfonamide.

Project description:The asymmetric unit of the title compound, C(14)H(14)N(2)O(4)S, consists of two crystallographically independent mol-ecules. The mol-ecules are twisted at the S-N bonds with C-S-N-C torsion angles of 44.2?(3) and -49.3?(3)°. The dihedral angles between the benzene rings in the two mol-ecules are 71.53?(7) and 72.11?(7)°. The amide H atoms exhibit bifurcated intra- and inter-molecular hydrogen bonds; the intra-molecular N-H?O(N) hydrogen bonds generate S(7) motifs. In the crystal, the independent mol-ecules are separately connected through the inter-molecular N-H?O(S) hydrogen bonds, generating a C(4) motif and a helical chain along the b axis for one mol-ecule and an R(2) (2)(8) motif and an inversion dimer for the other. The crystal studied was a pseudo-merohedral twin with twin law (-100/0-10/001), the refined ratio of the twin domains being 0.7876?(12):0.2124?(12).

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