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Related Experiment Videos

5-(4-Chloro-phen-oxy)-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde.

N Vinutha1, S Madan Kumar1, S Shobhitha2

  • 1Department of Studies in Physics, University of Mysore, Manasagangotri, Mysore 570 006, India.

Acta Crystallographica. Section E, Structure Reports Online
|May 27, 2014
PubMed
Summary

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This study details the crystal structure of a novel chloro-substituted organic compound. Molecular interactions, including hydrogen bonds and pi-stacking, dictate its unique crystal packing and intermolecular contacts.

Area of Science:

  • Crystallography
  • Organic Chemistry
  • Materials Science

Background:

  • Understanding the relationship between molecular structure and crystal packing is crucial in materials science.
  • Pyrazole derivatives are known for their diverse biological and chemical properties.
  • Detailed crystallographic analysis provides insights into intermolecular forces.

Purpose of the Study:

  • To elucidate the crystal structure of the title compound C17H13ClN2O2.
  • To investigate the intermolecular interactions governing the crystal packing.
  • To analyze the spatial arrangement of phenyl and chloro-benzene rings relative to the pyrazole core.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.

Related Experiment Videos

  • Analysis of C-H···π interactions and C-H···O hydrogen bonds was performed.
  • Intermolecular distances and angles were measured to characterize crystal packing.
  • Main Results:

    • The crystal structure of C17H13ClN2O2 was successfully determined.
    • Phenyl and chloro-benzene rings exhibit specific inclinations (40.84° and 65.30°) to the central pyrazole ring.
    • Molecules form inversion dimers via C-H···π interactions and further assemble into columns through C-H···O hydrogen bonds.
    • Short intermolecular O···Cl contacts (3.0913 Å) were observed.

    Conclusions:

    • The crystal packing is dictated by a combination of C-H···π and C-H···O interactions, leading to a columnar structure.
    • The observed O···Cl contacts suggest potential for specific intermolecular associations.
    • This structural characterization provides a foundation for understanding the properties and potential applications of this compound.