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Updated: May 3, 2026

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
Published on: January 19, 2016
4-Ethynyl-N,N-di-phenyl-aniline
1College of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, People's Republic of China.
This study details the crystal structure of C20H15N, revealing two independent molecules with trigonal planar nitrogen atoms. These molecules form a three-dimensional network through specific intermolecular interactions in the crystal lattice.
Area of Science:
- Crystallography
- Molecular structure determination
- Supramolecular chemistry
Background:
- Understanding molecular arrangements is crucial in materials science.
- Intermolecular forces dictate crystal packing and properties.
- Aromatic compounds with nitrogen heterocycles exhibit diverse applications.
Purpose of the Study:
- To elucidate the crystal structure of the title compound, C20H15N.
- To analyze the molecular geometry and intermolecular interactions.
- To describe the three-dimensional supramolecular architecture.
Main Methods:
- Single-crystal X-ray diffraction was employed for structural analysis.
- The asymmetric unit was characterized, containing two independent molecules.
- Intermolecular C-H⋯π interactions were identified and analyzed.
Main Results:
- The asymmetric unit contains two crystallographically independent C20H15N molecules (A and B).
- Nitrogen atoms in both molecules exhibit approximate trigonal planar geometry.
- Molecules are interconnected via C-H⋯π interactions, forming a 3D crystal structure.
Conclusions:
- The crystal structure of C20H15N is characterized by independent molecules with planar nitrogen centers.
- C-H⋯π interactions are the primary driving force for the observed three-dimensional packing.
- This structural information contributes to the understanding of nitrogen-containing aromatic compounds.
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