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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(3-fluoro-phen-yl)ethyl-idene]hydrazine.

ABSTRACT: The mol-ecule of the title hydrazone derivative, C(14)H(11)FN(4)O(4), is nearly planar, with a dihedral angle between the benzene rings of 3.71?(7)°. The central ethyl-idenehydrazine N-N=C-C plane makes dihedral angles of 5.32?(10) and 9.02?(10)° with the 2,4-dinitro- and 3-fluoro-substituted benzene rings, respectively. An intra-molecular N-H?O bond generates an S(6) ring motif. In the crystal, mol-ecules are linked by weak C-H?O inter-actions into a sheet parallel to (10-1). The mol-ecules are further stacked along the a axis by ?-? inter-actions with centroid-centroid distances of 3.6314?(9) and 3.7567?(10)?Å. A C?F short contact [2.842?(3)?Å] is observed. The 3-fluoro-phenyl group is disordered over two orientations with a site-occupancy ratio of 0.636?(3):0.364?(3).

SUBMITTER: Chantrapromma S

PROVIDER: S-EPMC3379246 | biostudies-other | 2012 Jun

REPOSITORIES: biostudies-other

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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(3-fluoro-phen-yl)ethyl-idene]hydrazine.

Chantrapromma Suchada S Nilwanna Boonlerd B Kobkeatthawin Thawanrat T Jansrisewangwong Patcharaporn P Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20120505 Pt 6

The mol-ecule of the title hydrazone derivative, C(14)H(11)FN(4)O(4), is nearly planar, with a dihedral angle between the benzene rings of 3.71 (7)°. The central ethyl-idenehydrazine N-N=C-C plane makes dihedral angles of 5.32 (10) and 9.02 (10)° with the 2,4-dinitro- and 3-fluoro-substituted benzene rings, respectively. An intra-molecular N-H⋯O bond generates an S(6) ring motif. In the crystal, mol-ecules are linked by weak C-H⋯O inter-actions into a sheet parallel to (10-1). The mol-ecules are ...[more]

PMID: 22719444

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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(4-fluoro-phen-yl)ethyl-idene]hydrazine.

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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(3-nitro-phen-yl)ethyl-idene]hydrazine.

Project description:In the asymmetric unit of the title compound, C(14)H(11)N(5)O(6), there are three crystallographically independent mol-ecules with similar conformations but some differences in bond angles. The mol-ecules are slightly twisted with the dihedral angles between the benzene rings being 10.02 (14), 8.41 (15) and 1.40 (14)°. In each mol-ecule, an intra-molecular N-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked by weak C-H⋯O inter-actions into a three-dimensional network. π-π inter-actions with centroid-centroid distances of 3.5635 (17)-3.8273 (18) Å are observed.

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Project description:The title mol-ecule, C(14)H(11)ClN(4)O(4), is in an E configuration and is twisted with the dihedral angle between the two benzene rings being 38.48 (8)°. The ethyl-idenehydrazine plane makes dihedral angles of 6.03 (10) and 44.04 (11)°, respectively, with the dinitro- and chloro-substituted benzene rings. The two nitro groups are essentially coplanar with the bound benzene ring, making dihedral angles of 0.9 (2) and 1.65 (18)°. An intra-molecular N-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked by a weak C-H⋯O inter-action into a chain along the c axis. The chains are further stacked along the b axis by a π-π inter-action with a centroid-centroid distance of 3.6088 (10) Å.

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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(3-meth-oxy-phen-yl)ethyl-idene]hydrazine.

Project description:There are two crystallographically independent mol-ecules in the asymmetric unit of the title compound, C(15)H(14)N(4)O(5), with different conformations for the meth-oxy groups. The mol-ecules are both slightly twisted, the dihedral angles between two benzene rings being 8.37 (18)° in one and 7.31 (18)° in the other. In both mol-ecules, the two nitro groups are essentially coplanar with their bound benzene ring, with the r.m.s. deviation of the dinitro-benzene plane being 0.0310 (3) Å in one mol-ecule and 0.0650 (3) Å in the other. In each mol-ecule, an intra-molecular N-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked by weak C-H⋯O inter-actions and stacked along the a axis through π-π inter-actions, with centroid-centroid distances of 3.651 (2) and 3.721 (2) Å. The crystal studied was a non-merohedral twin with a refined minor component of 20.1 (3)%.

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(E)-1-(2,4-Dinitro-phen-yl)-2-[1-(2-meth-oxy-phen-yl)ethyl-idene]hydrazine.

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