Figure 9
A view of the PCA− anions and water molecules connecting sheets through O—H⋯O hydrogen bonds and a view of the C—O⋯π interactions (π = imidazole and pyrimidine rings of the cation) in salt (II). [Symmetry codes: (i) −x + 2, y − , −z + ; (ii) x + 1, −y + , z − .] |