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5-[1-(4-Methyl-phen-yl)-2-nitro-but-yl]-4-phenyl-1,2,3-selenadiazole. 2013

P Sugumar, and S Sankari, and P Manisankar, and M N Ponnuswamy
Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India.

In the title compound, C19H19N3O2Se, the selenadiazole ring is roughly planar [maximum deviation 0.033 (6) Å]. The attached phenyl ring is twisted away at an angle of 47.5 (1)°. The butyl group is in an extended conformation [C-C-C-C torsion angle = 174.7 (2)°]. In the crystal, C-H⋯O inter-actions form C(10) chains running aling the c-axis direction.

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