Related Experiment Video
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
Benzyl-tributyl-ammonium 6-hydroxy-naphthalene-2-sulfonate
Kazuya Uta1, Yohei Sato, Jin Mizuguchi
1Department of Applied Physics, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, 240-8501 Yokohama, Japan.
This study details a novel charge-control agent for electrophotography toners. It reveals the compound forms one-dimensional chains through hydrogen bonding, with cation disorder also observed.
Area of Science:
- Materials Science
- Crystallography
- Organic Chemistry
Background:
- Electrophotography relies on toners with precise charge-control agents.
- Understanding molecular interactions is key to optimizing toner performance.
Purpose of the Study:
- To characterize the crystal structure and intermolecular interactions of a novel charge-control agent.
- To elucidate the role of hydrogen bonding in the self-assembly of the compound.
Main Methods:
- Single-crystal X-ray diffraction was used to determine the molecular and crystal structure.
- Analysis of hydrogen bonding networks (O-H⋯O and C-H⋯O) was performed.
- Cation disorder was quantified.
Main Results:
- The compound, C(19)H(34)N(+)·C(10)H(7)O(4)S(-), forms one-dimensional chains via intermolecular O-H⋯O hydrogen bonding between anions.
- C-H⋯O hydrogen bonds further stabilize the crystal lattice.
- A n-butyl chain on the cation exhibits positional disorder (0.88:0.12 ratio).
Conclusions:
- The observed hydrogen bonding network dictates the self-assembly and structural characteristics of the charge-control agent.
- Understanding these interactions is crucial for designing effective electrophotographic materials.
More Related Videos
Related Concept Videos
Nomenclature of Aromatic Compounds with a Single Substituent
Electrophilic Aromatic Substitution: Sulfonation of Benzene
Electrophilic Aromatic Substitution: Nitration of Benzene
Nomenclature of Aromatic Compounds with Multiple Substituents
For disubstituted benzene derivatives, with two groups attached to the benzene ring, three constitutional isomers are possible. For example, consider dimethyl benzene, often called xylene, where the second methyl group can be substituted at the second, third, or fourth carbon. The relative position of the substituents is represented by prefixes ortho, meta, or...
NMR Spectroscopy of Benzene Derivatives
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene

