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4-(4-Nitro-benzene-sulfonamido)pyridinium trichloro-acetate.

ABSTRACT: In the title compound, C(11)H(10)N(3)O(4)S(+)·C(2)Cl(3)O(2) (-), the benzene ring forms an angle of 85.21 (13)° with the pyridinium ring. The nitro group is nearly coplanar with its attached benzene ring [dihedral angle = 3.68 (12)°]. In the crystal structure, strong N-H⋯O hydrogen bonds link the ion-pairs. The packing is further consolidated by weak C-H⋯O inter-ations.

SUBMITTER: Zhou B

PROVIDER: S-EPMC2915311 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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4-(4-Nitro-benzene-sulfonamido)pyridinium trichloro-acetate.

Zhou Bin B Zheng Peng-Wu PW Liu Ke-Yue KY Cheng Dan D

Acta crystallographica. Section E, Structure reports online 20071212 Pt 1

In the title compound, C(11)H(10)N(3)O(4)S(+)·C(2)Cl(3)O(2) (-), the benzene ring forms an angle of 85.21 (13)° with the pyridinium ring. The nitro group is nearly coplanar with its attached benzene ring [dihedral angle = 3.68 (12)°]. In the crystal structure, strong N-H⋯O hydrogen bonds link the ion-pairs. The packing is further consolidated by weak C-H⋯O inter-ations. ...[more]

PMID: 21200819

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4-(4-Nitro-benzene-sulfonamido)pyridinium trichloro-acetate.

Project description:In the crystal structure of the title compound, C(11)H(10)N(3)O(4)S·C(2)Cl(3)O(2), the dihedral angle between the two six-membered rings is 69.2 (1)°. The mol-ecules are connected via inter-molecular N-H⋯O hydrogen bonding.

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4-(4-Nitro-benzene-sulfonamido)pyridinium trifluoro-acetate.

Project description:In the title compound, C(11)H(10)N(3)O(4)S(+)·C(2)F(3)O(2) (-), the benzene ring makes an angle of 87.3 (2)° with the pyridinium ring. The nitro group is essentially coplanar with the benzene ring. The F atoms of the CF(3) group are disordered over two positions with almost equal occupancy [0.531 (12)/0.469 (12)]. The crystal structure is stabilized by N-H⋯O and C-H⋯O hydrogen bonds.

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Project description:In the title compound, C(11)H(10)N(3)O(4)S(+)·Br(-), the benzene ring makes an angle of 88.4 (2)° with the pyridinium ring. The dihedral angle between the nitro group and the benzene ring is 16.5 (2)°. The ions in the crystal structure are linked by a combination of inter-molecular N-H⋯Br and non-conventional C-H⋯Br and C-H⋯O hydrogen bonds, forming a three-dimensional network.

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Project description:A short C-N distance [1.394 (2) Å] in the title compound, C(11)H(10)N(3)O(4)S(+)·NO(3) (-), is indicative of some conjugation of the sulfonamide π electrons with those of the pyridinium ring. The crystal structure is stabilized by N-H⋯O hydrogen bonds.

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Bis[4-(2-nitro-benzene-sulfonamido)-pyridinium] hexa-fluoro-silicate.

Project description:In the title compound, 2C(11)H(10)N(3)O(4)S(+)·SiF(6) (2-), the short C-N distance [1.386 (2) Å] is indicative of a slight conjugation of N with the π electrons of the pyridinium ring, and with those of the sulfonyl group. The dihedral angle between the benzene and pyridinium rings is 77.48 (7)°. The crystal structure is stabilized by N-H⋯F and C-H⋯F hydrogen bonds. The Si atom of the anion lies on a special position.

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Project description:In the title compound, C(11)H(10)N(3)O(4)S(+)·C(2)F(3)O(2) (-), the dihedral angle between the benzene ring and the pyridinium ring is 88.7 (4)°. In the crystal structure, a network of N-H⋯O, C-H⋯O and C-H⋯F hydrogen bonds links the constituent ions. One O atom of the nitro group is disordered over two positions, with site-occupancy factors of 0.57 (2) and 0.43 (2).

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Project description:In the title compound, C(11)H(11)N(2)O(2)S(+)·NO(3) (-), the dihedral angle between the benzene and pyridinium rings is 87.59 (8)°. An intra-molecular C-H⋯O inter-action occurs in the cation. In the crystal structure, ion pairs occur, being linked by two strong N-H⋯O inter-actions, forming R(2) (2)(8) loops. The packing is further stabilized by weak C-H⋯O inter-actions.

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2-(Benzene-sulfonamido)pyridinium perchlorate.

Project description:In the title compound, C(11)H(11)N(2)O(2)S(+)·ClO(4) (-), the dihedral angle between the benzene and pyridinium rings is 87.33?(10)°. An intra-molecular N-H?O inter-action, with an S=O-bonded O atom as receptor, occurs in the cation. In the crystal structure, ion pairs occur, being linked by strong N-H?O hydrogen bonds. The perchlorate anion plays a further role in the mol-ecular packing by accepting several weak C-H?O inter-actions.

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Methyl 2-(benzene-sulfonamido)acetate.

Project description:The title compound, C(9)H(11)NO(4)S, is of inter-est as a precursor to biologically active benzothia-zines. The crystal structure is stabilized by inter-molecular N-H⋯O and C-H⋯O inter-actions.

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