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Figure 4
The same view as in Fig. 3[link], but showing the three-dimensional hydrogen-bonded network in (I[link]) (coordination bonds have been omitted). The urea mol­ecules, via a strong hydrogen bond donated from one of the carboxylic acid groups, serve to link the hydro­phobic filaments in the layers. Carboxylic acid–sulfonate, urea–water and water–sulfonate hydrogen bonds interweave the monolayers.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 3| February 2004| Pages m114-m116
doi:10.1107/S0108270104000691
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