Figure 4
A fragment of the three-dimensional supramolecular framework via N⋯H—O hydrogen-bonding interactions between (a) parallel 2,2′-bpe and coordinating water molecules (dashed lines), and (b) non-parallel 2,2′-bpe and coordinating water molecules (dashed lines). [Symmetry codes: (i) x − 1, y, z; (ii) x, y + 1, z.] |