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Updated: May 26, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(E)-1-[1-(2-Chloro-phen-yl)ethyl-idene]-2-(2,4-dinitro-phen-yl)hydrazine
This study details the crystal structure of a novel molecule, C(14)H(11)ClN(4)O(4). Molecular analysis reveals specific dihedral angles, intramolecular hydrogen bonding, and intermolecular interactions influencing crystal packing.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Understanding molecular conformation and intermolecular forces is crucial in crystal engineering.
- The specific arrangement of functional groups dictates crystal packing and properties.
Purpose of the Study:
- To elucidate the crystal structure and molecular geometry of the title compound, C(14)H(11)ClN(4)O(4).
- To investigate the role of intramolecular and intermolecular interactions in the solid-state arrangement.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular structure.
- Analysis of dihedral angles, hydrogen bonding, and π-π interactions was performed.
Main Results:
- The molecule exists in an E configuration with significant twisting between benzene rings (38.48°).
- Intramolecular hydrogen bonding (N-H⋯O) forms an S(6) ring.
- Intermolecular C-H⋯O interactions link molecules into chains, further stacked by π-π interactions (3.6088 Å).
Conclusions:
- The crystal structure is stabilized by a combination of intramolecular hydrogen bonding and intermolecular C-H⋯O and π-π interactions.
- The observed molecular geometry and packing arrangement provide insights into the solid-state behavior of this class of compounds.
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