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Related Experiment Videos

N-(8-Quinolyl)pyridine-2-carboxamide.

J Zhang1, Q Liu, Y Xu

  • 1Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, People's Republic of China.

Acta Crystallographica. Section C, Crystal Structure Communications
|February 15, 2001
PubMed
Summary

This study details the molecular structure of C15H11N3O, revealing a nearly planar configuration with a slight tilt between its pyridyl and quinolyl rings. Crystal packing is notably stabilized by pi-pi stacking interactions.

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Area of Science:

  • Crystallography
  • Organic Chemistry
  • Materials Science

Background:

  • Understanding the three-dimensional structure of organic compounds is crucial for predicting their properties and applications.
  • Molecular planarity and intermolecular interactions significantly influence crystal packing and material characteristics.

Purpose of the Study:

  • To elucidate the crystal structure and molecular geometry of the title compound, C15H11N3O.
  • To investigate the intermolecular interactions governing the crystal packing of this compound.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the precise atomic arrangement.
  • Analysis of bond lengths, bond angles, and dihedral angles provided insights into the molecular geometry.
  • Crystal structure visualization and analysis of intermolecular contacts were performed.

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Main Results:

  • The title compound, C15H11N3O, exhibits a predominantly planar molecular structure.
  • A slight dihedral angle of 3.55 (5) degrees was observed between the pyridyl and quinolyl rings, indicating a minor deviation from perfect planarity.
  • The crystal lattice is characterized by the presence of pi-pi stacking interactions, which play a significant role in stabilizing the crystal packing.
  • The compound crystallizes in two distinct directions, suggesting potential polymorphism or complex growth patterns.

Conclusions:

  • The structural analysis confirms the near-planar nature of C15H11N3O, with specific geometric parameters defined.
  • Pi-pi stacking interactions are identified as a key stabilizing force in the crystal structure, influencing the overall arrangement of molecules.
  • The findings contribute to the understanding of structure-property relationships in nitrogen-containing heterocyclic compounds.