Received 14 June 2013
aCentre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India,bDepartment of Chemistry, Sri Sarada College for Women (Autonomous), Fairlands, Salem 636 016, India, and cDepartment of Industrial Chemistry, Alagappa University, Karaikudi 630 003, India
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C25H21ClN2O2Se, the selenadiazole ring is almost planar [maximum deviation = 0.004 (2) Å], and the adjacent benzene ring is twisted by 50.6 (1)° with respect to this ring.
Data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT; 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, 2012); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: NG5333 ).
PS thanks the UGC, New Delhi, for financial support in the form of a Research Fellowship in Science for Meritorious Students. The authors thank the TBI Consultancy, University of Madras, India, for the data collection.
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