Acta Cryst. (2007). C63, o45-o47 [ doi:10.1107/S0108270106049985 ]
Abstract: In the crystal structures of two cyclic trihydroxamic acid derivatives containing the same substructure unit, viz. 1,3,5-trihydroxy-1,3,5-triazinane-2,4,6-trione dihydrate, C3H3N3O6·2H2O, (I), and 1,3,5-benzyloxy-1,3,5-triazinane-2,4,6-trione, C24H21N3O6, (II), there is no significant difference in the geometric parameters. In (I), there are 11 hydrogen bonds of the O-HO type interconnecting the molecules in a three-dimensional network, while in (II) there are only two weak C-HO hydrogen bonds. The results of IR spectroscopic analysis are in good agreement with the crystallographic study.
Formula: C3H3N3O6·2H2O and C24H21N3O6
Structure factor file (CIF format) (78.9 kbytes)
Structure factor file (CIF format) (220.8 kbytes)
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