Glycoluril.
The crystal structure of glycoluril [tetrahydroimidazo-[4,5-d]imidazole-2,5(1H,3H)-dione, C4H6N4O2] has been determined. The molecule has two equivalent planes containing urea moieties, and hence exhibits C2v symmetry. The dihedral angle is found to be 124.1 (4) degrees.
Xu
S
S
Department of Chemistry, University of California, San Diego, La Jolla 92093-0359.
Gantzel
P K
PK
Clark
L B
LB
D000480:Alkynes; D003460:Crystallization; D006860:Hydrogen Bonding; D007093:Imidazoles / Q000737:chemistry*; D015394:Molecular Structure; D006574:Heterocyclic Compounds, 2-Ring; D048289:Imidazolidines
D000480:Alkynes; D007093:Imidazoles; C092018:glycoluril; D006574:Heterocyclic Compounds, 2-Ring; D048289:Imidazolidines