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4-[(2-Hy-droxy-5-nitro-benzyl-idene)amino]-benzene-sulfonamide.

ABSTRACT: The title Schiff base compound, C(13)H(11)N(3)O(5)S, exists in an E configuration with respect to the C=N double bond. The benzene rings are almost coplanar, making a dihedral angle of 2.82?(6). The sulfonamide group is twisted away from the attached phenyl ring with an N-S-C-C torsion angle of 64.84?(11)°. An intra-molecular O-H?N hydrogen bond stabilizes the mol-ecule, generating an S(6) ring motif. In the crystal, inter-molecular N-H?O and C-H?O hydrogen bonds link the mol-ecules into a three-dimensional network.

SUBMITTER: Tan YH

PROVIDER: S-EPMC2983168 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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4-[(2-Hy-droxy-5-nitro-benzyl-idene)amino]-benzene-sulfonamide.

Tan Yi-Han YH Teoh Siang Guan SG Loh Wan-Sin WS Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20100925 Pt 10

The title Schiff base compound, C(13)H(11)N(3)O(5)S, exists in an E configuration with respect to the C=N double bond. The benzene rings are almost coplanar, making a dihedral angle of 2.82 (6). The sulfonamide group is twisted away from the attached phenyl ring with an N-S-C-C torsion angle of 64.84 (11)°. An intra-molecular O-H⋯N hydrogen bond stabilizes the mol-ecule, generating an S(6) ring motif. In the crystal, inter-molecular N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into a three ...[more]

PMID: 21587586

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4-[(2-Hy-droxy-benzyl-idene)amino]-N-(5-methyl-isoxazol-3-yl)benzene-sulfonamide: a monoclinic polymorph.

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