Received 12 December 2009
In the title molecule, C18H20IN, the tricyclic carbazole system is essentially planar with the two outer rings forming a dihedral angle of 0.43 (8)°. The crystal packing exhibits no short intermolecular contacts.
Data collection: SMART (Bruker, 2002); cell refinement: SAINT (Bruker, 2002); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV2679 ).
This work was supported by the National Natural Science Foundation of China (grant Nos. 50703001, 20771001), the Education Committee of Anhui Province (grant No. KJ2009A52), the Young Teacher Foundation of Institutions of Higher Education of An Hui Province (grant No. 2007jq1019), the Ministry of Education and the Person with Ability Foundation of Anhui University.
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