N-(2-Chloro-4-nitro-phen-yl)maleamic acid monohydrate

Area of Science:

• Crystallography
• Organic Chemistry
• Materials Science

Background:

• Understanding the solid-state structure of organic compounds is crucial for predicting their physical and chemical properties.
• Maleamic acid derivatives are important intermediates in organic synthesis and can exhibit diverse crystal packing motifs.

Purpose of the Study:

• To elucidate the crystal structure of N-(2-chloro-4-nitro-phenyl)maleamic acid monohydrate.
• To analyze the molecular conformation and intermolecular interactions within the crystal lattice.

Main Methods:

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

Main Results:

• The asymmetric unit contains half a molecule of N-(2-chloro-4-nitro-phenyl)maleamic acid and half a water molecule.
• The maleamic acid molecule is planar by symmetry and features an intramolecular O-H⋯O hydrogen bond.
• Extensive intermolecular N-H⋯O and O-H⋯O hydrogen bonds establish a three-dimensional crystal network.

Conclusions:

• The crystal structure of N-(2-chloro-4-nitro-phenyl)maleamic acid monohydrate has been successfully determined.
• The observed planar conformation and hydrogen bonding network provide insights into the solid-state behavior of this compound.