7-Diethyl-amino-2-oxo-2H-chromene-3-carbohydrazide

Area of Science:

• Crystallography
• Molecular Chemistry

Background:

• Understanding the solid-state structure of organic compounds is crucial for predicting their physical and chemical properties.
• The specific compound C(14)H(17)N(3)O(3) has potential applications that warrant detailed structural investigation.

Purpose of the Study:

• To elucidate the crystal structure of the title compound, C(14)H(17)N(3)O(3).
• To analyze the conformational variations and intermolecular interactions within the crystal lattice.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
• Analysis of the crystal packing and hydrogen bonding network was performed.

Main Results:

• The asymmetric unit contains two independent molecules of C(14)H(17)N(3)O(3) with differing ethyl group conformations.
• Intermolecular N-H⋯O hydrogen bonds were identified, linking the molecules into extended ribbons along the a-axis.

Conclusions:

• The crystal structure of C(14)H(17)N(3)O(3) exhibits conformational isomerism in the solid state.
• The hydrogen bonding network plays a significant role in the self-assembly and structural organization of the compound.