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Updated: Jun 1, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
2-Chloro-N'-[(E)-(2-meth-oxy-1-naphth-yl)methyl-ene]benzohydrazide
1Department of Chemistry, Jiaying University, Meizhou 514015, People's Republic of China.
This study details the crystal structure of a Schiff base compound, C(19)H(15)ClN(2)O(2). The research reveals a significant dihedral angle and intermolecular hydrogen bonds forming dimers in its crystal lattice.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Schiff bases are versatile organic compounds with diverse applications.
- Understanding molecular structure is crucial for predicting chemical properties and reactivity.
- Crystal engineering aims to design materials with specific properties through controlled intermolecular interactions.
Purpose of the Study:
- To elucidate the three-dimensional molecular structure of the Schiff base compound C(19)H(15)ClN(2)O(2).
- To investigate the intermolecular interactions governing the crystal packing of this compound.
- To characterize the hydrogen bonding network within the crystal structure.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- The crystal structure was analyzed to identify bond lengths, bond angles, and dihedral angles.
- Intermolecular interactions, specifically hydrogen bonds, were identified and characterized using crystallographic data.
Main Results:
- The molecular structure of C(19)H(15)ClN(2)O(2) was determined, revealing a dihedral angle of 77.1(2)° between the benzene and naphthyl ring systems.
- Centrosymmetrically related molecules form dimers through intermolecular N-H⋯O hydrogen bonds.
- These hydrogen bonds result in the formation of rings with the graph set designation R(2)(2)(8).
Conclusions:
- The study provides a detailed structural analysis of the Schiff base compound.
- The identified hydrogen bonding pattern highlights the role of intermolecular forces in crystal assembly.
- This structural information can guide the design of related compounds with tailored properties.
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