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Updated: Jun 1, 2026
08:23
Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
Published on: February 16, 2022
8-Hy-droxy-quinolin-1-ium nitrate.
Wan-Sin Loh1, Madhukar Hemamalini, Hoong-Kun Fun
1X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
Summary
This study details the crystal structure of a quinoline salt, revealing planar ring systems and intricate hydrogen bonding. These bonds form specific ring motifs and ribbon structures in the solid state.
Area of Science:
- Crystallography
- Chemical Physics
- Materials Science
Background:
- Understanding the solid-state structure of organic salts is crucial for predicting their physical and chemical properties.
- Quinoline derivatives are important in various fields, including pharmaceuticals and materials science.
Purpose of the Study:
- To elucidate the crystal structure and intermolecular interactions of a specific quinoline nitrate salt.
- To characterize the hydrogen bonding network and resulting supramolecular architecture.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of hydrogen bonding interactions (N-H···O, C-H···O) and their contribution to the crystal packing.
Main Results:
- The quinoline ring system in the cation was found to be essentially planar.
- Specific ring motifs (R(2)(2)(7) and R(2)(2)(8)) were identified, formed by intermolecular hydrogen bonds between the cation and anion.
- These motifs are further organized into a ribbon structure along the crystallographic a axis.
Conclusions:
- The crystal structure is stabilized by a complex network of intermolecular hydrogen bonds.
- The observed supramolecular architecture provides insights into the solid-state behavior of quinoline salts.
- This detailed structural information can inform the design of new materials with tailored properties.
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