(E)-1-(4-Nitro-benzyl-idene)-2,2-diphenyl-hydrazine

Area of Science:

• Crystallography
• Supramolecular Chemistry
• Organic Chemistry

Background:

• Understanding the crystal structure of organic compounds is crucial for predicting their physical and chemical properties.
• Supramolecular chemistry explores the interactions between molecules, leading to the formation of complex networks.

Purpose of the Study:

• To elucidate the crystal structure and supramolecular arrangement of the title compound C(19)H(15)N(3)O(2).
• To analyze the molecular conformation, including imine bond configuration and dihedral angles within the phenyl-hydrazine groups.
• To identify and describe the intermolecular interactions governing the crystal packing.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the crystal structure.
• Analysis of the asymmetric unit to identify the number of molecules and their conformations.
• Identification and characterization of intermolecular interactions, including C-H⋯π and C-H⋯O hydrogen bonds.

Main Results:

• The asymmetric unit contains two molecules of C(19)H(15)N(3)O(2), both exhibiting an E conformation of the imine bond.
• Specific dihedral angles between phenyl rings (86.09(6)° and 83.41(5)°) and torsion angles of the 4-nitrobenzene rings (4.4(2)° and 10.9(2)°) were determined.
• The crystal structure is characterized by C-H⋯π interactions and C-H⋯O hydrogen bonds, forming a complex supramolecular array along the crystallographic axes.

Conclusions:

• The study provides a detailed structural characterization of C(19)H(15)N(3)O(2) at the molecular and supramolecular levels.
• The identified intermolecular interactions are key to the formation of the observed complex crystal architecture.
• This structural insight can inform future research on related compounds and their applications.