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1-Phenyl-isatin.

Deepak Shukla1, Manju Rajeswaran

  • 1Eastman Kodak Company, Kodak Research Laboratories, Rochester, NY 14650-2106, USA.

Acta Crystallographica. Section E, Structure Reports Online
|November 18, 2011
PubMed
Summary
This summary is machine-generated.

This study details the crystal structure of a novel isatin derivative. Molecular analysis reveals specific dihedral angles and intermolecular interactions, including C-H⋯O hydrogen bonds and slipped π-π stacking, crucial for understanding its solid-state properties.

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Area of Science:

  • Crystallography
  • Solid-state chemistry
  • Organic chemistry

Background:

  • Isatin derivatives are important scaffolds in medicinal chemistry.
  • Understanding the crystal packing of organic molecules is essential for predicting their physical and chemical properties.

Purpose of the Study:

  • To elucidate the crystal structure of a specific C(14)H(9)NO(2) compound.
  • To analyze the intermolecular interactions governing the solid-state arrangement of the molecule.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of bond lengths, bond angles, dihedral angles, and intermolecular interactions (hydrogen bonds, π-π stacking) was performed.

Main Results:

  • The phenyl ring exhibits a dihedral angle of 50.59° relative to the isatin fragment.
  • Molecules are interconnected by intermolecular C-H⋯O hydrogen bonds.
  • Two distinct slipped π-π stacking interactions were observed between aromatic rings of adjacent molecules, with specific centroid-centroid, inter-planar, and slippage distances reported.

Conclusions:

  • The crystal structure is stabilized by a combination of hydrogen bonding and π-π interactions.
  • The observed packing arrangement provides insights into the intermolecular forces governing the solid-state behavior of this isatin derivative.