Glycoluril

Area of Science:

• Crystallography
• Organic Chemistry
• Molecular Structure

Background:

• Glycoluril (C4H6N4O2), also known as tetrahydroimidazo-[4,5-d]imidazole-2,5(1H,3H)-dione, is an organic compound with potential applications in various chemical fields.
• Understanding the precise three-dimensional arrangement of atoms in glycoluril is crucial for predicting its physical and chemical properties.

Purpose of the Study:

• To elucidate the detailed crystal structure of glycoluril.
• To determine the molecular symmetry and key bond angles within the glycoluril molecule.

Main Methods:

• Single-crystal X-ray diffraction was employed to collect diffraction data.
• The crystal structure was solved and refined using established crystallographic software.

Main Results:

• The crystal structure of glycoluril was successfully determined.
• Glycoluril exhibits C2v symmetry due to two equivalent urea-containing planes.
• A dihedral angle of 124.1 (4) degrees was measured, defining the molecule's conformation.

Conclusions:

• The determined crystal structure provides a fundamental understanding of glycoluril's molecular architecture.
• The identified symmetry and dihedral angle are key parameters for future theoretical and experimental studies involving glycoluril.