Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

organic compounds

Acta Cryst. (2013). E69, o603    [ doi:10.1107/S1600536813007782 ]


M. Kaur, R. J. Butcher, J. P. Jasinski, H. S. Yathirajan and B. P. Siddaraju

Abstract: Three independent mol­ecules comprise the asymmetric unit of the title compound, C10H19N5O2, (systematic name: 4-amino-N-tert-butyl-3-isopropyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carboxamide) . In all three mol­ecules, the triazole ring and the carboxamide group are almost coplanar [within 4.0-5.9 (9)°], particularly because of the formation of an intra­molecular N-H...O hydrogen bond. On other hand, the orientation of the isopropyl group varies significantly from mol­ecule to mol­ecule. The crystal packing is dominated by N-H...O and N-H...N hydrogen bonds, which connect the mol­ecules into infinite chains along [010].

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