Acta Cryst. (2001). E57, o9-o10 [ doi:10.1107/S1600536800018766 ]
Abstract: This study at 168 K shows that in the crystal structure of C14H9NO2, the plane of the nitro group is inclined at 72.2 (7)° to the plane of the attached six-membered ring. The phenanthrene system is significantly non-planar.
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