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Acta Cryst. (2013). E69, o1043  [ doi:10.1107/S1600536813014955 ]

Bruceolline D: 3,3-dimethyl-1H,4H-cyclopenta[b]indol-2(3H)-one

J. M. Lopchuk, G. W. Gribble and J. P. Jasinski

Abstract: The title compound, C13H13NO, crystallizes with four independent molecules in the asymmetric unit. The 12-membered penta[b]indole rings are essentially planar, with maximum deviations ranging from 0.034 (4) to 0.036 (4) Å in the four unique molecules. In the crystal, weak C-H...O interactions are observed, which link the molecules into chains along [010].

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