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Related Experiment Video

Updated: Jun 25, 2026

Optimized Griess Reaction for UV-Vis and Naked-eye Determination of Anti-malarial Primaquine
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Optimized Griess Reaction for UV-Vis and Naked-eye Determination of Anti-malarial Primaquine

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Quinolin-6-ol at 100 K.

Anna Michta1, Maria Nowak, Joachim Kusz

  • 1Institute of Chemistry, University of Silesia, 14 Bankowa Street, 40-006 Katowice, Poland. anna.michta@us.edu.pl

Acta Crystallographica. Section C, Crystal Structure Communications
|February 5, 2009
PubMed
Summary

This study reveals two distinct molecular conformations in the crystal structure of a quinoline derivative, influencing hydrogen bonding patterns. These findings enhance understanding of molecular interactions in crystalline solids.

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Area of Science:

  • Crystallography and Materials Science
  • Supramolecular Chemistry

Background:

  • Understanding molecular conformations and hydrogen bonding is crucial for predicting crystal structures and material properties.
  • Quinoline derivatives are important scaffolds in medicinal chemistry and materials science.

Purpose of the Study:

  • To elucidate the crystal structure of a specific quinoline derivative, C(9)H(7)NO.
  • To analyze the hydrogen bonding networks and conformational variations within the crystal lattice.
  • To compare experimental data with calculated structures and investigate structure-property relationships.

Main Methods:

  • Single crystal X-ray diffraction was employed to determine the three-dimensional structure.
  • Infrared (IR) spectroscopy was used to probe molecular vibrations and hydrogen bonding.

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Green Synthesis of Quinoline-Based Ionic Liquid
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Green Synthesis of Quinoline-Based Ionic Liquid

Published on: September 27, 2024

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Last Updated: Jun 25, 2026

Optimized Griess Reaction for UV-Vis and Naked-eye Determination of Anti-malarial Primaquine
08:31

Optimized Griess Reaction for UV-Vis and Naked-eye Determination of Anti-malarial Primaquine

Published on: October 11, 2019

Green Synthesis of Quinoline-Based Ionic Liquid
05:59

Green Synthesis of Quinoline-Based Ionic Liquid

Published on: September 27, 2024

  • Computational methods were utilized for structural analysis and comparison.

    • Main Results:

    • Two symmetry-independent molecules with distinct hydroxy group conformations (cis and trans) were identified.
    • Infinite O-H...N hydrogen-bonded chains (C(7)) were observed, oriented along perpendicular axes (a and b).
    • A weak C-H...O hydrogen bond (D(2)) linked these chains along the c-axis.

    Conclusions:

    • The crystal structure exhibits complex hydrogen bonding driven by conformational differences.
    • Comparison with related quinoline derivatives highlights the influence of substituents on crystal packing.
    • A correlation between IR spectral data and hydrogen bond energy provides insights into molecular interactions.