Received 21 July 2008
In the title compound, C18H19NO2, the five-membered ring of the indane fragment adopts an envelope conformation, with the unsubstituted C atom, acting as the flap atom, deviating by 0.412 (3) Å from the plane through the remaining four atoms. The dihedral angle between the nitrophenyl ring and the indane benzene ring is 72.5 (1)°. The distances from the two O atoms to the plane of the adjacent benzene ring are 0.113 (4) and 0.064 (4) Å.
Data collection: DIFRAC (Gabe & White, 1993); cell refinement: DIFRAC; data reduction: NRCVAX (Gabe et al., 1989); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: KJ2096 ).
The authors are grateful to the National Undergraduates' Innovative Experiment Project of China for financial support and thank Mr Zhi-Hua Mao of Sichuan University for the X-ray data collection.
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