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4-(2-Nitro-benzene-sulfonamido)pyridinium nitrate.

ABSTRACT: There are two mol-ecules in the asymmetric unit of the title compound, C(11)H(10)N(3)O(4)S(+)·NO(3) (-). All bond distances have normal values. The C-N bond distances in the sulfonamide group [1.389?(3) and 1.382?(3)?Å] may indicate slight conjugation of the sulfonamide N-atom ?-electrons with those of the pyridinium ring. The crystal structure is stabilized by N-H?O hydrogen bonds.

SUBMITTER: Zhao L

PROVIDER: S-EPMC2959887 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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4-(2-Nitro-benzene-sulfonamido)pyridinium nitrate.

Zhao Liang L Yu Qi-Fei QF

Acta crystallographica. Section E, Structure reports online 20081108 Pt 12

There are two mol-ecules in the asymmetric unit of the title compound, C(11)H(10)N(3)O(4)S(+)·NO(3) (-). All bond distances have normal values. The C-N bond distances in the sulfonamide group [1.389 (3) and 1.382 (3) Å] may indicate slight conjugation of the sulfonamide N-atom π-electrons with those of the pyridinium ring. The crystal structure is stabilized by N-H⋯O hydrogen bonds. ...[more]

PMID: 21581261

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4-(4-Nitro-benzene-sulfonamido)pyridinium nitrate.

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 ? electrons with those of the pyridinium ring. The crystal structure is stabilized by N-H?O hydrogen bonds.

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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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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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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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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 trichloro-acetate.

Project description: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.

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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 ? 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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4-(4-Nitro-benzene-sulfonamido)pyri-dinium chloride.

Project description:In the title compound, C(11)H(10)N(3)O(4)S(+)·Cl(-), the benzene ring makes an angle of 89.2?(1)° with the pyridinium ring. The dihedral angle between the nitro group and the benzene ring is 15.7?(1)°. The crystal structure is stabilized by N-H?Cl hydrogen bonds.

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2-{1-[(2-Nitro-benzene-sulfonamido)-meth-yl]cyclo-hexyl}acetic acid.

Project description:In the title compound, C(15)H(20)N(2)O(6)S, the C-SO(2)-NH-C torsion angle is 64.54?(14)°. In the mol-ecule, there is a bifurcated N-H?(O,O) hydrogen bond, forming S(7) rings. In the crystal, inversion dimers are formed via O-H?O hydrogen bonds involving the carboxyl group, so forming R(2) (2)(8) rings. These dimers are further linked via pairs of C-H?O hydrogen bonds, forming a C(6) chain propagating along the c-axis direction.

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