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N'-(4-Fluoro-benzyl-idene)acetohydrazide.

ABSTRACT: The title compound, C(9)H(9)FN(2)O, was prepared by the reaction of 4-fluoro-benzophenone and acethydrazide. In the mol-ecule, all non-H atoms are essentially coplanar [r.m.s. deviation = 0.065?(2)?Å]. In the crystal, mol-ecules are linked into centrosymmetric dimers by pairs of inter-molecular N-H?O hydrogen bonds.

SUBMITTER: Guo HM

PROVIDER: S-EPMC3009195 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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N'-(4-Fluoro-benzyl-idene)acetohydrazide.

Guo Huan-Mei HM Liu Li L Yang Jie J Liu Yang-Chun YC

Acta crystallographica. Section E, Structure reports online 20101030 Pt 11

The title compound, C(9)H(9)FN(2)O, was prepared by the reaction of 4-fluoro-benzophenone and acethydrazide. In the mol-ecule, all non-H atoms are essentially coplanar [r.m.s. deviation = 0.065 (2) Å]. In the crystal, mol-ecules are linked into centrosymmetric dimers by pairs of inter-molecular N-H⋯O hydrogen bonds. ...[more]

PMID: 21589120

Similar Datasets

N'-(2-Fluoro-benzyl-idene)acetohydrazide.

Project description:The title compound, C(9)H(9)FN(2)O, was prepared by the reaction between 2-fluoro-benzophenone and acetohydrazide. In the crystal structure, inversion dimers linked by pairs of N-H?O hydrogen bonds occur, generating R(2) (2)(8) loops.

| S-EPMC2984006 | biostudies-literature

N'-(4-Fluoro-benzyl-idene)-2-(4-fluoro-phen-yl)acetohydrazide.

Project description:In the title compound, C(15)H(12)F(2)N(2)O, the dihedral angle between the two benzene rings is 48.73?(8)°. The hydrazine group is twisted slightly, with a C-N-N-C torsion angle of 172.48?(12)°. In the crystal, mol-ecules are connected by strong N-H?O and weak C-H?O hydrogen bonds, forming supra-molecular chains along the c axis. The structure is consolidated by ?-? [centroid-centroid separation = 3.6579?(10)?Å] and C-H?? inter-actions.

| S-EPMC3247574 | biostudies-literature

(E)-N'-(4-Fluoro-benzyl-idene)-2-(3-methyl-phen-yl)acetohydrazide.

Project description:In the title compound, C16H15FN2O, the dihedral angles between the benzene rings are74.7(8), 74.1?(1), 74.2?(7) and 74.3?(5)° in the four independent mol-ecules in the asymmetric unit. In the crystal, N-H-O hydrogen bonds involving the hydrazide and acetyl groups, which form R2(2)(18) ring motifs, link the mol-ecules into dimers, which form columns along [010].

| S-EPMC3588440 | 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'-(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

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

Project description: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].

| S-EPMC2977139 | biostudies-literature

N'-[4-(Dimethyl-amino)benzyl-idene]acetohydrazide.

Project description:The title compound, C(11)H(15)N(3)O, crystallizes with two independent mol-ecules per asymmetric unit which differ slightly in their side-chain orientations: the C=N-N-C torsion angle is -176.2 (3)° in one of the mol-ecules and -179.83 (3)° in the other. Each independent mol-ecule adopts a trans configuration with respect to the C=N bond. The two independent mol-ecules are related by a pseudo-inversion center and they exist as a N-H⋯O hydrogen-bonded dimer. The dimers are linked into zigzag chains along [100] by C-H⋯O hydrogen bonds.

| S-EPMC2969918 | 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'-(4-Meth-oxy-benzyl-idene)-2-m-tolyl-acetohydrazide.

Project description:In the title mol-ecule, C17H18N2O2, the benzene rings form a dihedral angle of 83.0?(7)°. In the crystal, N-H?O hydrogen bonds, in an R(2)2(8) graph-set motif, link mol-ecules into centrocymmetric dimers, and weak C-H?? inter-actions further link these dimers into columns in [100].

| S-EPMC3589016 | biostudies-literature

N'-Benzyl-idene-2-chloro-N-(4-chloro-phen-yl)acetohydrazide.

Project description:In the title compound, C15H12Cl2N2O, the atoms not making up the chloro-benzene ring are approximately coplanar (r.m.s. deviation = 0.073?Å). The dihedral angle between these 13 atoms and the chloro-benzene ring is 67.37?(10)°. The C=O and Csp (2)-Cl groups are almost eclipsed [Cl-C-C=O = -6.5?(3)°]. In the crystal, C(6) chains linked by C-H?O hydrogen bonds result in [100] chains.

| S-EPMC3914076 | biostudies-literature

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