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Acta Cryst. (2012). E68, o3293-o3294
[ doi:10.1107/S1600536812045151 ]


B. Miroslaw, A. E. Koziol, M. Pakosinska-Parys and M. Struga

Abstract: In the title compound, C20H17NO3 (alternative name: N-hydroxy-9,10-dimethyl-9,10-ethanoanthracene-11,12-dicarboximide), the rigid ethanoanthracene-dicarboximide moiety has a roof-shaped geometry, the interplanar angle between the two terminal phenyl rings being 124.9 (6)°. In the crystal, molecules are linked via O-H...O hydrogen bonds, forming chains along [010]. C-H...O and C-H...[pi] interactions link adjacent chains, leading to the formation of a three-dimensional structure.

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