(E)-N'-(2-Hydroxy-benzyl-idene)-2-(4-isobutyl-phen-yl)propanohydrazide

Area of Science:

• Crystallography
• Organic Chemistry
• Supramolecular Chemistry

Background:

• Understanding molecular interactions is crucial in crystal engineering.
• Hydrazide compounds exhibit diverse structural motifs and hydrogen bonding capabilities.
• Crystal structure analysis provides insights into intermolecular forces.

Purpose of the Study:

• To elucidate the crystal structure of the title hydrazide compound.
• To investigate the hydrogen bonding patterns and ring motifs.
• To analyze the intermolecular interactions in the solid state.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
• Analysis of bond lengths, bond angles, and dihedral angles.
• Identification and characterization of intra- and intermolecular hydrogen bonds and C-H⋯π interactions.

Main Results:

• The hydrazide compound adopts a trans configuration around the C=N bond.
• An intramolecular O-H⋯N hydrogen bond forms a six-membered (S(6)) ring motif.
• Intermolecular N-H⋯O and C-H⋯O hydrogen bonds assemble molecules into chains along the c axis, forming R(2)(2)(16) ring motifs.
• An intermolecular C-H⋯π interaction was also identified.

Conclusions:

• The crystal structure reveals specific intra- and intermolecular interactions governing molecular assembly.
• The identified hydrogen bonding and ring motifs are key features of the compound's solid-state structure.
• This structural characterization contributes to the understanding of hydrazide-based supramolecular architectures.