Received 10 January 2013
aDeapartment of Studies and Research in Chemistry, Tumkur University, Tumkur 572 103, Karnataka, India,bRaman Research Institute, C. V. Raman Avenue, Sadashivanagar, Bangalore 560 080, Karnataka, India,cDepartment of Physics, Yuvaraja's College (Constituent College), University of Mysore, Mysore 570 005, Karnataka, India, and dSoild State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, Karnataka, India
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In the title compound, C27H22N2O4, the dihedral angles between the central benzene ring and the cyanobenzene ring and the 2H-coumarin ring system (r.m.s. deviation = 0.014 Å) are 22.95 (11) and 75.59 (8)°, respectively. Both terminal C atoms of the pendant diethylamino group lie to the same side of the coumarin ring system [deviations = 1.366 (2) and 1.266 (2) Å]. In the crystal, molecules are linked by C-HO and C-HN hydrogen bonds and a C-H interaction, generating a three-dimensional network.
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); 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 (Farrugia, 2012); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB7027 ).
The authors thank Professor T. N. Guru Row, Soild State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, for the data collection.
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