Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 1 (January 2007)

organic compounds

av3046 scheme

Acta Cryst. (2007). C63, o45-o47 [ doi:10.1107/S0108270106049985 ]

Cyclic trihydroxamic acid derivatives

I. Ðilovic, D. Matkovic-Calogovic, I. Kos, M. Birus and M. Jadrijevic-Mladar Takac

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) [ doi:10.1107/S0108270106049985/av3046Isup2.hkl ] Contains datablock I

	Structure factor file (CIF format) (220.8 kbytes) [ doi:10.1107/S0108270106049985/av3046IIsup3.hkl ] Contains datablock II

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