3-Bromo-N'-(2-hydroxy-benzyl-idene)benzohydrazide.

Area of Science:

• Crystallography
• Organic Chemistry
• Solid-State Chemistry

Background:

• Understanding the three-dimensional arrangement of atoms in molecules is crucial for predicting chemical properties.
• Hydrogen bonding plays a significant role in molecular self-assembly and crystal packing.

Purpose of the Study:

• To elucidate the crystal structure of the title molecule, C(14)H(11)BrN(2)O(2).
• To analyze the molecular configuration, including bond orientations and dihedral angles.
• To identify and describe intra- and inter-molecular hydrogen bonding interactions.

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 was performed.
• Identification of hydrogen bonding networks within the crystal lattice.

Main Results:

• The molecule C(14)H(11)BrN(2)O(2) exhibits a trans configuration around the C=N and C-N bonds.
• A dihedral angle of 18.5(3)° was measured between the two benzene rings.
• An intramolecular O-H⋯N hydrogen bond was observed, along with intermolecular N-H⋯O and C-H⋯O hydrogen bonds forming a chain structure.

Conclusions:

• The crystal structure provides detailed insights into the spatial arrangement and intermolecular interactions of C(14)H(11)BrN(2)O(2).
• The identified hydrogen bonding network dictates the packing of molecules in the crystal lattice, influencing bulk properties.