Deifel, Nicholas P.
Hunt, David A.
Chan, Benny C.
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The article discusses a study about the crystal structure of the organic compound C9H7NO3. The centroid-centroid distance between the benzenoid and the 2,4 dicarbonyl oxazine rings of π-stacked dimers formed by the crystal structure is measured. The study describes the dimers' formation of staircase-like linear chains through more π-stacking between the benzenoid rings. Findings also show that the methyl-H atoms are disordered due to rotation about the C-N bond.
Deifel, N.P.; Cherney, E.; Hunt, D.A.; Chan, B.C., "1-Methyl-4H-3,1-benzoxazine-2,4(1H)dione," Acta Crystallographica. 2010, E66, o665.