N'-[(E)-2-Chloro-benzyl-idene]thio-phene-2-carbohydrazide

Area of Science:

• Organic Chemistry
• Crystallography
• Molecular Structure

Background:

• Schiff bases are versatile organic compounds with diverse applications.
• Hydrazide derivatives are important precursors in synthesizing various functional molecules.
• Understanding molecular structure is crucial for predicting chemical properties and reactivity.

Purpose of the Study:

• To elucidate the crystal structure of a novel Schiff base derived from hydrazide (C12H9ClN2OS).
• To analyze the molecular arrangement and intermolecular interactions within the crystal lattice.
• To determine the dihedral angles between the thiophene and benzene rings.

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 analysis of intermolecular interactions, including hydrogen bonds and C-H⋯Cl contacts.

Main Results:

• The asymmetric unit contains two independent molecules of C12H9ClN2OS.
• Dihedral angles between the thiophene and benzene rings were measured as 3.6(3)° and 7.3(3)°.
• The crystal structure is stabilized by N-H⋯O hydrogen bonds and weak C-H⋯Cl contacts, with no significant aromatic stacking or sulfur interactions.

Conclusions:

• The study provides detailed structural insights into the Schiff base C12H9ClN2OS.
• The observed molecular arrangement and intermolecular forces dictate the compound's solid-state properties.
• This structural information serves as a foundation for further investigations into the compound's chemical behavior and potential applications.