Figure 3
Part of the crystal structure of (I), showing (a) the formation of the three-dimensional hydrogen-bonded network by N—H⋯O and O—H⋯O hydrogen bonds as dashed lines, (b) the simplified network when picrate, water and imidazolium ions are considered as 3-, 3- and 2-connected nodes, respectively, and (c) the simplified utp network. |