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Updated: Jun 5, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
4,4'-Bis(benzimidazol-1-yl)biphen-yl
Zuo-Xi Li1, Yi Zuo, Tong-Liang Hu
1Department of Chemistry, Nankai University, Tianjin 300071, People's Republic of China.
This study details the crystal structure of a C(26)H(18)N(4) compound, revealing specific molecular arrangements and intermolecular interactions like hydrogen bonding and pi-stacking.
Area of Science:
- Crystallography
- Molecular structure analysis
- Supramolecular chemistry
Background:
- Understanding the solid-state behavior of organic molecules is crucial for materials science.
- Benzimidazole derivatives are known for diverse applications, necessitating detailed structural characterization.
Purpose of the Study:
- To elucidate the crystal structure and intermolecular interactions of the title compound C(26)H(18)N(4).
- To analyze the packing arrangement and bonding in the solid state.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of hydrogen bonding (C-H⋯N) and π⋯π stacking interactions.
Main Results:
- The molecule C(26)H(18)N(4) crystallizes with the molecule situated on a crystallographic inversion center.
- A dihedral angle of 44.94° was observed between the benzimidazole and benzene rings.
- Chain-like structures were formed via C-H⋯N hydrogen bonds, complemented by π⋯π stacking.
Conclusions:
- The crystal structure is stabilized by a combination of hydrogen bonding and π-π stacking interactions.
- The specific arrangement provides insights into the supramolecular assembly of benzimidazole-containing compounds.
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