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N'-(3,4-Dihydroxy-benzyl-idene)acetohydrazide monohydrate.

ABSTRACT: In the title compound, C(9)H(10)N(2)O(3)·H(2)O, the Schiff base mol-ecule is approximately planar, the dihedral angle between the benzene and acetohydrazide planes being 5.40?(7)°. An intra-molecular O-H?O hydrogen bond is observed. In the crystal, mol-ecules are linked into a two-dimensional network parallel to (100) by O-H?O, N-H?O, O-H?N and C-H?O hydrogen bonds, and by ?-? inter-actions between symmetry-related benzene rings [centroid-centroid distance = 3.543?(2)?Å].

SUBMITTER: Lv LP

PROVIDER: S-EPMC2977139 | biostudies-literature | 2009 Jul

REPOSITORIES: biostudies-literature

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N'-(3,4-Dihydroxy-benzyl-idene)acetohydrazide monohydrate.

Lv Lu-Ping LP Yu Tie-Ming TM Yu Wen-Bo WB Li Wei-Wei WW Hu Xian-Chao XC

Acta crystallographica. Section E, Structure reports online 20090718 Pt 8

In the title compound, C(9)H(10)N(2)O(3)·H(2)O, the Schiff base mol-ecule is approximately planar, the dihedral angle between the benzene and acetohydrazide planes being 5.40 (7)°. An intra-molecular O-H⋯O hydrogen bond is observed. In the crystal, mol-ecules are linked into a two-dimensional network parallel to (100) by O-H⋯O, N-H⋯O, O-H⋯N and C-H⋯O hydrogen bonds, and by π-π inter-actions between symmetry-related benzene rings [centroid-centroid distance = 3.543 (2) Å]. ...[more]

PMID: 21583587

Similar Datasets

N'-(3,4-Dihydroxy-benzyl-idene)acetohydrazide.

Project description:In the title compound, C(9)H(10)N(2)O(3), the Schiff base mol-ecule is approximately planar, the dihedral angle between the benzene ring and the acetohydrazide group (r.m.s. deviation = 0.034 Å) being 8.81 (7)°. An intra-molecular O-H⋯O hydrogen bond is observed. In the crystal, mol-ecules are linked into a three-dimensional network by O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC2970026 | biostudies-literature

(E)-N'-(4-Bromo-benzyl-idene)-3,4-dihydroxy-benzohydrazide monohydrate.

Project description:In the title compound, C(14)H(11)BrN(2)O(3)·H(2)O, the dihedral angle between the two benzene rings of the Schiff base is 22.7?(2)° and an intra-molecular O-H?O hydrogen bond is observed. In the crystal, mol-ecules are linked into layers parallel to the ab plane by O-H?O and N-H?O hydrogen bonds.

| S-EPMC2970230 | biostudies-literature

(E)-N'-(2,5-Dimethoxy-benzyl-idene)-3,4-dihydroxy-benzohydrazide monohydrate.

Project description:In the title compound, C(16)H(16)N(2)O(5)·H(2)O, the dihedral angle between the two benzene rings is 25.9 (1)°. Intra-molecular O-H⋯O and N-H⋯O hydrogen bonds are observed. In the crystal, the components are linked into a three-dimensional network by O-H⋯O and O-H⋯(O,O) hydrogen bonds.

| S-EPMC2970986 | biostudies-literature

N'-(3,4-Dimethoxy-benzyl-idene)acetohydrazide.

Project description:In the title mol-ecule, C(11)H(14)N(2)O(3), the acetohydrazide group is planar 0.084?(1)?Å and forms a dihedral angle of 19.7?(1)° with the benzene ring. One of the meth-oxy groups is coplanar with the attached benzene ring within 0.052?(3)?Å, whereas the other is slightly twisted [C-O-C-C = 6.3?(3)°]. The mol-ecule adopts a trans configuration with respect to the C=N bond. In the crystal, the mol-ecules are linked into chains along the a axis by N-H?O hydrogen bonds and the chains are cross-linked into a three-dimensional network by C-H?O hydrogen bonds.

| S-EPMC2977411 | biostudies-literature

N'-(4-Hydr-oxy-3-methoxy-benzyl-idene)acetohydrazide monohydrate.

Project description:In the title compound, C(10)H(12)N(2)O(3)·H(2)O, the Schiff base mol-ecule is approximately planar [within 0.189?(1)?Å]. The inter-planar angle between the benzene and acetohydrazide planes is 8.50?(10)°. In the crystal, mol-ecules are linked into a three-dimensional network by strong and weak O-H?O and strong N-H?O hydrogen bonds. The hydr-oxy H atom deviates from the 4-hydr-oxy-3-methoxy-phenyl mean plane by 0.319?(2)?Å, probably due to the involvement of this H atom in the O-H?O hydrogen bond. The weak O-H?O hydrogen bond is involved in a bifurcated hydrogen bond with R(1) (2)(4) motif. A weak C-H?? inter-action is also present.

| S-EPMC2970332 | biostudies-literature

(E)-N'-(3,4-Dihydroxy-benzyl-idene)-4-nitro-benzohydrazide.

Project description:In the title Schiff base compound, C(14)H(11)N(3)O(5), the dihedral angle between the two benzene rings is 1.6?(1)°. The mol-ecule displays an E configuration about the C=N bond. An intra-molecular O-H?O hydrogen bond is observed. In the crystal, mol-ecules are linked into layers parallel to (101) by O-H?O, N-H?O and C-H?O hydrogen bonds. One of the hydroxyl groups is disordered over two positions, with occupancies of 0.643?(5) and 0.357?(5).

| S-EPMC2977219 | biostudies-literature

2-Cyano-N'-(5-hy-droxy-2-nitro-benzyl-idene)acetohydrazide monohydrate.

Project description:The title compound, C(10)H(8)N(4)O(4)·H(2)O, was obtained by the reaction of 5-hy-droxy-2-nitro-benzaldehyde with cyano-acetohydrazide in methanol. The non-H atoms of the hydrazone molecule are approximately coplanar, with a mean deviation from the least-squares plane of 0.056?Å. In the crystal, mol-ecules are linked by N-H?O, O-H?N and O-H?O hydrogen bonds, generating a three-dimensional network.

| S-EPMC3213457 | biostudies-literature

(E)-N'-(3,4-Dichloro-benzyl-idene)nicotino-hydrazide monohydrate.

Project description:In the title compound, C(13)H(9)Cl(2)N(3)O·H(2)O, the 3,4-dichloro-benzene ring is nearly coplanar with the pyridine ring, making a dihedral angle of 4.78?(8)°. Inter-molecular O-H?O, O-H?N, N-H?O and weak C-H?O hydrogen bonding is present in the crystal structure.

| S-EPMC2970266 | biostudies-literature

(E)-N'-(3,4-Dimethoxy-benzyl-idene)-2,4-dihydroxy-benzohydrazide methanol solvate.

Project description:The title compound, C(16)H(16)N(2)O(5)·CH(3)OH, was obtained from a condensation reaction of 3,4-dimethoxy-benzaldehyde and 2,4-dihydroxy-benzohydrazide. The non-H atoms of the Schiff base mol-ecule are approximately coplanar (r.m.s. deviation = 0.043?Å) and the dihedral angle between the two benzene rings is 1.6?(1)°. The mol-ecule adopts an E configuration with respect to the C=N double bond. An intra-molecular O-H?O hydrogen bond is observed. The Schiff base and methanol mol-ecules are linked into a two-dimensional network parallel to (10) by inter-molecular N-H?O, O-H?N and O-H?O hydrogen bonds.

| S-EPMC2970482 | biostudies-literature

(E)-N'-(3,4-Di-meth-oxy-benzyl-idene)nicotinohydrazide monohydrate.

Project description:In the title hydrated compound, C15H15N3O3·H2O, the nicotinohydrazide mol-ecule adopts a trans conformation with respect to the C=N double bond. The dihedral angle between the benzene and pyridine rings is 5.10?(14)°. In the crystal, the solvent water mol-ecule acts as an acceptor, forming an N-H?O hydrogen bond supported by two C-H?O contacts. It also acts as a donor, forming bifurcated O-H?(O,O) and O-H?N hydrogen bonds that combine with the former contacts to form zigzag chains of mol-ecules along the c-axis direction. An additional O-H?O donor contact completes a set of six hydrogen bonds to and from the water mol-ecule and connects it to a third nicotinohydrazide mol-ecule. This latter contact combines with weaker C-H?O hydrogen bonds supported by a C-H?? contact to stack mol-ecules along b in a three-dimensional network.

| S-EPMC4120580 | biostudies-literature

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