Received 8 June 2013
aDepartment of Studies in Chemistry, Manasagangotri, University of Mysore, Mysore 570 006, India,bDepartment of Studies in Physics, Manasagangotri, University of Mysore, Mysore 570 006, India, and cSER-CAT, APS, Argonne National Laboratory, Argonne, IL 60439, USA
Correspondence e-mail: firstname.lastname@example.org
In the title molecule, C20H17Cl2NO2, the pyrrole moiety makes dihedral angles of 63.42 (11) and 70.43 (12)° with the chlorobenzene rings. The ethoxycarbonyl unit is present in a synperiplanar conformation with respect to the pyrrole ring, as indicated by the dihedral angle of 14.5 (3)°. In the crystal, molecules are linked into chains parallel to the a-axis direction by weak C-HO hydrogen bonds.
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: FB2292 ).
C and KNN would like to thank the University of Mysore for awarding RFSMS fellowships [DV5/Physics/389/RFSMS/2009-2010/10.07.2012 and No. F4-1/2006(BSR)/7-131/2007, respectively].
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