2-Eth-oxy-4-{[(2-nitro-phen-yl)hydrazono]meth-yl}phenol

Area of Science:

• Organic Chemistry
• Crystallography

Background:

• Schiff bases are versatile organic compounds with diverse applications.
• Understanding molecular structure and intermolecular interactions is crucial in materials science.

Purpose of the Study:

• To synthesize and characterize a novel Schiff base derived from 3-ethoxy-4-hydroxybenzaldehyde and 2-nitrophenylhydrazine.
• To investigate the molecular geometry, including planarity and intramolecular interactions.
• To analyze the crystal packing and intermolecular hydrogen bonding network.

Main Methods:

• Condensation reaction between 3-ethoxy-4-hydroxybenzaldehyde and 2-nitrophenylhydrazine.
• Single-crystal X-ray diffraction analysis to determine molecular structure and crystal packing.
• Analysis of bond lengths, bond angles, and deviations from planarity.

Main Results:

• Successful synthesis of the title Schiff base, C(15)H(15)N(3)O(4).
• The molecule exhibits an approximately planar conformation with a maximum deviation of 0.1449(16) Å from the mean plane.
• An intramolecular N-H⋯O interaction was identified within the molecule.
• Intermolecular O-H⋯O hydrogen bonds were observed, leading to the formation of chains parallel to the b axis in the crystal.

Conclusions:

• The synthesized Schiff base possesses a largely planar structure with significant intramolecular hydrogen bonding.
• The crystal structure is characterized by intermolecular hydrogen bonds forming one-dimensional chains.
• This structural information is vital for understanding the properties and potential applications of this class of compounds.