Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

organic compounds

Acta Cryst. (2013). E69, o891    [ doi:10.1107/S1600536813012531 ]


P. S. Nayak, B. Narayana, J. P. Jasinski, H. S. Yathirajan and B. K. Sarojini

Abstract: In the title compound, C12H10BrN3O, the dihedral angle between the mean planes of the 4-bromo­phenyl and pyrazin-2-yl rings is 54.6 (3)°. An intra­molecular C-H...O hydrogen bond generates an S(6) graph-set motif. In the crystal, weak N-H...N hydrogen bonds link the mol­ecules into chains along [100]. The chains are linked via C-H...N and C-H...O hydrogen bonds, forming two-dimensional networks lying parallel to the ab plane.

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