Acta Cryst. (2001). E57, o1200-o1202  [ doi:10.1107/S1600536801019183 ]

2,9,18-Trioxo-3,5,8,19-tetraaza-[5^5,13][11]metaphane monohydrate

T. H. Kim, S. Y. Yang, S. S. Lee, J. S. Kim and J. Kim

Abstract: In the title compound, C₁₈H₂₆N₄O₄, the bridgehead N atom is located toward the inside of the cage and the displacement from the aromatic ring is 4.2110  (13)  Å. The three C atoms adjacent to the bridgehead N atom are disordered with roughly equal occupancy between two sets of positions.

Online 17 November 2001

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