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Benzaldehyde thio-semicarbazone monohydrate.

ABSTRACT: In the title compound, C(8)H(9)N(3)S·H(2)O, intra-molecular N-H?N hydrogen bonding contributes to the mol-ecular conformation. Water mol-ecules are involved in inter-molecular N-H?O and O-H?S hydrogen bonds, which link the mol-ecules into ribbons extended along the a axis. Weak inter-molecular N-H?S hydrogen bonds link these ribbons into layers parallel to the ab plane with the phenyl rings pointing up and down.

SUBMITTER: Gu SJ

PROVIDER: S-EPMC2962080 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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Benzaldehyde thio-semicarbazone monohydrate.

Gu Sheng-Jiu SJ Zhu Kai-Mei KM

Acta crystallographica. Section E, Structure reports online 20080726 Pt 8

In the title compound, C(8)H(9)N(3)S·H(2)O, intra-molecular N-H⋯N hydrogen bonding contributes to the mol-ecular conformation. Water mol-ecules are involved in inter-molecular N-H⋯O and O-H⋯S hydrogen bonds, which link the mol-ecules into ribbons extended along the a axis. Weak inter-molecular N-H⋯S hydrogen bonds link these ribbons into layers parallel to the ab plane with the phenyl rings pointing up and down. ...[more]

PMID: 21203291

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Benzaldehyde thio-semicarbazone.

Project description:The title compound, C(8)H(9)N(3)S, contains two mol-ecules in the asymmetric unit. One mol-ecule is close to being planar (r.m.s. deviation from the mean plane = 0.06?Å for the non-H atoms), while the other exhibits a dihedral angle of 21.7?(1)° between the benzene ring and the mean plane of the thio-semicarbazone unit. Inter-molecular N-H?S hydrogen bonds link the mol-ecules into layers parallel to the (010) plane.

| S-EPMC2960035 | biostudies-literature

3-Nitro-benzaldehyde thio-semicarbazone.

Project description:The mol-ecule of the title compound, C(8)H(8)N(4)O(2)S, adopts an E configuration about both the C-N bonds. In the crystal structure, adjacent mol-ecules are linked by inter-molecular N-H?S hydrogen-bonding inter-actions, forming chains running parallel to the b axis.

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2,5-Dimethoxy-benzaldehyde thio-semicarbazone.

Project description:In the title mol-ecule, C(10)H(13)N(3)O(2)S, the dihedral angle between benzene and -N-C(=S)-N-N=C- planes is 9.20 (6)°. The two meth-oxy groups are coplanar with the benzene ring [C-O-C-C torsion angles of -2.31 (18) and -6.45 (17)°]. In the crystal structure, mol-ecules are linked by inter-molecular N-H⋯S, N-H⋯O and C-H⋯O hydrogen bonds, forming a three-dimensional network.

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2-Chloro-5-nitro-benzaldehyde thio-semicarbazone.

Project description:The title Schiff base compound, C(8)H(7)ClN(4)O(2)S, was prepared by the reaction of equimolar quanti-ties of 2-chloro-5-nitro-benzaldehyde with thio-semicarbazide in methanol. The mol-ecule adopts a trans configuration with respect to the azomethine group and the dihedral angle between the benzene ring and the thio-semicarbazide group is 6.8?(3)°. In the crystal, mol-ecules are linked through inter-molecular N-H?S hydrogen bonds, forming chains propagating in [010].

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2,4-Dichloro-benzaldehyde 4-methyl-thio-semicarbazone.

Project description:The mol-ecule of the title compound, C(9)H(9)Cl(2)N(3)S, has an E configuration about the C=N bond. In the crystal, mol-ecules are linked through inter-molecular N-H?S hydrogen bonds, forming zigzag chains along the a axis.

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2,4-Dihydroxy-benzaldehyde 4-methyl-thio-semicarbazone.

Project description:The approximately planar mol-ecule of the title compound, C(9)H(11)N(3)O(2)S, is linked to adjacent mol-ecules by O-H?S hydrogen bonds to form a zigzag chain. Adjacent chains are consolidated by N-H?O hydrogen bonds into a two-dimensional array. An intramolecular O-H?N link is also present.

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3,4-Dihydroxy-benzaldehyde 4-phenyl-thio-semicarbazone.

Project description:Mol-ecules of the title compound, C(14)H(13)N(3)O(2)S, are linked by inter-molecular O-H?O hydrogen bonds into centrosymmetric dimers forming R(2) (2)(4) rings which are further linked by O-H?S hydrogen bonds and weaker N-H?S and N-H?O hydrogen bonds to form a three-dimensional network.

| S-EPMC2961546 | biostudies-literature

(E)-4-(Benz-yloxy)benzaldehyde thio-semicarbazone.

Project description:In the title compound, C(15)H(15)N(3)OS, the thio-semicarbazone group adopts an E configuration with respect to the C=N bond. The benzaldehyde thio-semicarbazone fragment is almost planar [maximum deviation = 0.012?(1)?Å], while the dihedral angle between the benz-yloxy and phenyl rings is 72.48?(5)°. In the crystal structure, mol-ecules are inter-connected by N-H?N and N-H?S hydrogen bonds, forming a two-dimensional network parallel to the bc plane and are further stacked along the a axis by ?-? inter-actions [centroid-centroid separation 3.9043?(7)?Å]. The crystal structure is also stabilized by C-H?? inter-actions.

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2,4-Dihydroxy-benzaldehyde 4-ethyl-thio-semicarbazone.

Project description:The mol-ecular conformation of the title compound, C(10)H(13)N(3)O(2)S, is stabilized by an intramolecular O-H?N hydrogen bond. Adjacent mol-ecules are linked by O-H?O hydrogen bonds to furnish a zigzag chain.

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2-Hydr-oxy-5-nitro-benzaldehyde thio-semicarbazone.

Project description:The mol-ecule of the title compound, C(8)H(8)N(4)O(3)S, is planar. Adjacent mol-ecules are linked through O-H?S, N-H?S and N-H?O hydrogen bonds into a three-dimensional network.

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