Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)


organic compounds



ld2097 scheme

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

Amicarbazone

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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