N'-[(E)-(4-Bromo-2-thien-yl)methyl-idene]benzohydrazide 0.06-hydrate

Area of Science:

• Organic Chemistry
• Crystallography
• Supramolecular Chemistry

Background:

• Schiff bases are versatile organic compounds with diverse applications.
• Hydrated Schiff bases can exhibit unique structural and chemical properties.
• Crystallographic studies provide detailed insights into molecular structure and intermolecular interactions.

Purpose of the Study:

• To synthesize and characterize a novel hydrated Schiff base.
• To investigate the crystallographic structure of the title compound.
• To analyze the molecular conformations and hydrogen bonding patterns.

Main Methods:

• Synthesis of the Schiff base via condensation reaction.
• Single-crystal X-ray diffraction for structural determination.
• Analysis of crystallographic data to determine molecular geometry and hydrogen bonding.

Main Results:

• The title compound is a hydrated Schiff base derived from benzoic hydrazide and 4-bromo-thiophene-2-carboxaldehyde.
• Two crystallographically distinct Schiff base molecules were observed in the asymmetric unit, exhibiting different dihedral angles between the aromatic rings.
• Polymeric sheets were formed through N-H⋯O and C-H⋯O hydrogen bonds, with a partially occupied water molecule of crystallization.

Conclusions:

• The crystallographic study elucidated the distinct molecular conformations and supramolecular assembly of the hydrated Schiff base.
• The hydrogen bonding network plays a crucial role in the formation of polymeric sheets in the crystal structure.
• The findings contribute to the understanding of Schiff base chemistry and crystal engineering.