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2-Nitro-N-(4-pyridinio)benzene-sulfonamidate.

ABSTRACT: The title compound, C(11)H(9)N(3)O(4)S, crystallizes with two mol-ecules in the asymmetric unit; each mol-ecule exists as a zwitterion in the solid state. Inter-molecular N-H⋯N hydrogen bonds link the mol-ecules into chains. Weak C-H⋯O inter-actions further stabilize the crystal structure.

SUBMITTER: Li JS

PROVIDER: S-EPMC2924180 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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2-Nitro-N-(4-pyridinio)benzene-sulfonamidate.

Li Jiang-Sheng JS Yang Dao-Wu DW Liu Wei-Dong WD

Acta crystallographica. Section E, Structure reports online 20071206 Pt 1

The title compound, C(11)H(9)N(3)O(4)S, crystallizes with two mol-ecules in the asymmetric unit; each mol-ecule exists as a zwitterion in the solid state. Inter-molecular N-H⋯N hydrogen bonds link the mol-ecules into chains. Weak C-H⋯O inter-actions further stabilize the crystal structure. ...[more]

PMID: 21200769

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4-Nitro-N-(4-pyridinio)benzene-sulfonamidate monohydrate.

Project description:The title compound, C(11)H(9)N(3)O(4)S·H(2)O, contains both an acid and a base centre, and displays a zwitterionic structure in the solid state. The benzene ring makes an angle of 109.1 (2)° with the pyridinium ring. The crystal structure is stabilized by O-H⋯N, O-H⋯O and N-H⋯O hydrogen bonds.

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2-Nitro-N-(4-pyridinio)benzene-sulfonamidate monohydrate.

Project description:The title compound, C(11)H(9)N(3)O(4)S·H(2)O, contains both an acid and a base centre and displays a zwitterionic structure. There are two independent mol-ecules and two water mol-ecules in the asymmetric unit. The dihedral angles between the benzene ring and the pyridinium ring are 109.7 (1) and 110.7 (1)°. The dihedral angles between the nitro group and the benzene ring are 116.1 (2) and 116.7 (1)°. The crystal structure is stabilized by N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds.

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Potassium N-bromo-2-nitro-benzene-sulfonamidate monohydrate.

Project description:In the title compound, K(+)·C(6)H(4)BrN(2)O(4)S(-)·H(2)O, the K(+) ion is hepta-coordinated by two O atoms from two different water mol-ecules, three sulfonyl O atoms from three N-bromo-2-nitro-benzene-sulfonamidate anions and two nitro O atoms from two N-bromo-2-nitro-benzene-sulfonamidate anions. The S-N distance of 1.576 (4) Å is consistent with an S=N double bond. The crystal structure is stabilized by inter-molecular O-H⋯N and O-H⋯Br hydrogen bonds which link the molecules into polymeric layers running parallel to the bc plane.

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Project description:The title compound, C(12)H(8)N(2)O(4), crystallizes as a zwitterion in which the pyridyl N atom is protonated. The dihedral angle between the benzene and pyridinium rings is 27.9 (2)°. In the crystal, N-H⋯O hydrogen bonds link adjacent zwitterions into a three-dimensional structure.

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Project description:The structure of the title salt hydrate, K(+)·C(6)H(4)Cl(2)NO(2)S(-)·H(2)O, shows each of the sulfonyl O and water O atoms to be bidentate bridging. The hepta-coordinated K(+) cation is connected to two water O atoms, four sulfonyl O atoms and one Cl atom. The crystal structure comprises sheets in the bc plane which are further stabilized by O-H⋯N hydrogen bonds.

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Sodium N,2-dichloro-benzene-sulfonamidate sesquihydrate.

Project description:In the title compound, Na(+)·C(6)H(4)Cl(2)NO(2)S(-)·1.5H(2)O, one of the water mol-ecules lies on a twofold axis. There is no inter-action between the N atom and the sodium ion. The sodium ion exhibits a pseudo-octa-hedral coordination defined by three water O atoms and three sulfonyl O atoms from three different anions. The S-N distance of 1.588 (2) Å is consistent with an S=N double bond. The crystal structure is stabilized by O-H⋯N and O-H⋯Cl hydrogen bonds.

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Potassium N,2-dichloro-benzene-sulfonamidate sesquihydrate.

Project description:In the title compound, K(+)·C(6)H(4)Cl(2)NO(2)S(-)·1.5H(2)O, one water mol-ecule has crystallographically imposed twofold symmetry. The K(+) ion is heptacoordinated by three O atoms from water mol-ecules and by four sulfonyl O atoms of N-chloro-2-chloro-benzene-sulfonamide anions. The S-N distance of 1.582 (2) Å is consistent with an S-N double bond. In the structure, the sulfonyl-O and the water-O atoms bridge the K(+) cations in a bidentate fashion. The crystal structure comprises sheets in the ac plane which are further stabilized by inter-molecular O-H⋯Cl and O-H⋯N hydrogen bonds.

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Project description:In the structure of the title compound, K(+)·C(6)H(4)BrClNO(2)S(-)·H(2)O, the K(+) cation is hepta-coordinated. It is connected to two water O atoms, four sulfonyl O atoms and one Br atom. Further, the sulfonyl and water O atoms in the structure are bridged in a bidentate fashion. The S-N distance of 1.584 (6) Å is consistent with an S-N double bond, The crystal structure is stabilized by inter-molecular O-H⋯N hydrogen bonds.

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Sodium N-bromo-2-chloro-benzene-sulfonamidate sesquihydrate.

Project description:In the title compound, Na(+)·C(6)H(4)BrClNO(2)S(-)·1.5H(2)O, one water mol-ecule has crystallographically imposed twofold symmetry. The Na(+) cation shows a pseudo-octa-hedral coordination provided by three O atoms of water mol-ecules and three sulfonyl O atoms of different N-bromo-2-chloro-benzene-sulfonamidate anions. The S-N distance of 1.579 (6) Å is consistent with an S=N double-bond character. The crystal structure is stabilized by O-H⋯Br, O-H⋯N and O-H⋯O hydrogen bonds.

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Potassium N-bromo-2-chloro-benzene-sulfonamidate sesquihydrate.

Project description:In the structure of the title compound, K(+)·C(6)H(4)BrClNO(2)S(-)·1.5H(2)O, the K(+) ion is hepta-coordinated by three O atoms from water mol-ecules and by four sulfonyl O atoms of N-bromo-2-chloro-benzene-sulfonamidate anions. The S-N distance of 1.582 (4) Å is consistent with an S=N double bond. The crystal structure is stabilized by inter-molecular O-H⋯Br and O-H⋯N hydrogen bonds. The asymmetric unit consits of one potassium cation, one N-bromo-2-chloro-benzene-sulfonamidate anion and one water mol-ecule in general positions and one water mol-ecule located on a twofold rotation axis.

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