Abstract
The title compound, C11H12N2O6, crystallizes with two independent molecules in the asymmetric unit, which differ slightly in conformation. The dihedral angle between the amide O=C—N plane and the attached benzene ring is 19.5 (3)° in one molecule and 23.4 (3)° in the other. In the crystal, the two independent molecules are connected alternately by N—H⋯O hydrogen bonds, forming a chain along the a axis.
Highlights
Agilent Xcalibur Eos Gemini diffractometerR factor = 0.052; wR factor = 0.155; data-to-parameter ratio = 11.9
The title compound, C11H12N2O6, crystallizes with two independent molecules in the asymmetric unit, which differ slightly in conformation
H atoms treated by a mixture of independent and constrained refinement max = 0.50 e Å3
Summary
R factor = 0.052; wR factor = 0.155; data-to-parameter ratio = 11.9. The title compound, C11H12N2O6, crystallizes with two independent molecules in the asymmetric unit, which differ slightly in conformation. The dihedral angle between the amide O C—N plane and the attached benzene ring is. 19.5 (3) in one molecule and 23.4 (3) in the other. The two independent molecules are connected alternately by N—H O hydrogen bonds, forming a chain along the a axis. H atoms treated by a mixture of independent and constrained refinement max = 0.50 e Å3.
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