Acta Cryst. (2006). E62, o711-o712  [ doi:10.1107/S1600536806002169 ]

6,7,8,9-Tetrahydro-2H-1,2,4-triazolo[4,3-a]azepin-3(5H)-one

G.-S. Yu, H.-Z. Xu and X. Zhang

Abstract: In the title compound, C₇H₁₁N₃O, the seven-membered hetero-ring adopts a chair conformation. The five-membered ring is essentially coplanar with the fused back of the chair. The compound is stabilized by a strong intermolecular N-HO hydrogen bond, forming a chain.

Online 25 January 2006

Copyright © International Union of Crystallography
IUCr Webmaster