Poly[[μ-aqua-triaqua­[μ(6)-1,3,4,6-tetra­kis­(carboxyl­atometh­yl)-7,8-diphenyl­glycoluril]dizinc] monohydrate]

In the crystal structure of the title coordination polymer, {[Zn(2)(C(24)H(18)N(4)O(10))(H(2)O)(4)]·H(2)O}(n), the mol­ecular building block (MBB), viz [Zn(2)(CO(2))(4)(H(2)O)(4)], comprises two Zn(II) cations, each bridged by three carboxyl­ate groups from different ligand mol­ecules. These two Zn(II) cations exhibit different coordination environments: a distorted trigonal–pyramidal coordination, as an inter­mediate, is formed by the two coordinated water mol­ecules and three carboxyl­ate groups, and a distorted octa­hedral geometry defined by three water mol­ecules and three carboxyl­ate groups, in which two carboxyl­ate groups from the same side of the clip glycoluril ring and one water mol­ecule are bidentate bridging, whereas others are monodentate units. Every ligand mol­ecule connects four MBBs, thus forming a three-dimensional structure. Extensive intra- and inter­molecular O—H⋯O hydrogen bonding is observed.