Figure 2
(a) Hydrogen-bonded supramolecular network formed by thiobarbiturate anions and water molecules [symmetry codes (i) -x, 1-y, -z]. (b) Water cluster (H2O)12 which connects the supramolecular sheets of AMPY and TBA via water–water interactions [symmetry code: (ii) 1-x, 1-y, -z]. |