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4-(9-Anthryl)-2-methylbutyn-2-ol.

Irena Bylińska1, Artur Sikorski, Wiesław Wiczk

  • 1Faculty of Chemistry, University of Gdańsk, J. Sobieskiego 18, 80-952 Gdańsk, Poland.

Acta Crystallographica. Section E, Structure Reports Online
|January 5, 2011
PubMed
Summary

This study reveals the crystal structure of C(19)H(16)O, detailing molecular arrangements and hydrogen bonding. Neighboring molecules form specific ring motifs, influencing crystal packing and intermolecular interactions.

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Area of Science:

  • Crystallography
  • Solid-state chemistry
  • Molecular structure analysis

Background:

  • Understanding the solid-state structure of organic compounds is crucial for predicting material properties.
  • Intermolecular interactions, such as hydrogen bonding and pi-pi stacking, dictate crystal packing and influence macroscopic behavior.

Purpose of the Study:

  • To elucidate the detailed crystal structure of the title compound, C(19)H(16)O.
  • To identify and characterize the intermolecular interactions present in the crystal lattice.
  • To describe the packing arrangement of molecules within the asymmetric unit.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of the crystal structure involved identifying hydrogen bonds (O-H⋯O, C-H⋯π) and pi-pi interactions.
  • Geometric parameters were analyzed to describe the relative orientation of neighboring molecules.

Main Results:

  • The asymmetric unit contains two crystallographically independent molecules of C(19)H(16)O.
  • Neighboring molecules are interconnected via O-H⋯O hydrogen bonds, forming a characteristic R(4)(4)(8) ring motif.
  • Additional intermolecular forces, including C-H⋯π hydrogen bonds and π-π stacking interactions, contribute to the crystal architecture. The molecules exhibit near-parallel or slightly inclined orientations (12.5°).

Conclusions:

  • The crystal structure of C(19)H(16)O is characterized by a specific arrangement of two independent molecules linked by hydrogen bonds.
  • The identified intermolecular interactions (hydrogen bonding and π-π stacking) play a significant role in stabilizing the crystal structure.
  • The observed molecular orientations provide insights into the packing efficiency and potential solid-state properties of this compound.