Three-dimensional supramolecular arrays supported by decavanadate clusters: syntheses and crystal structures of (NH4)2[M(dod)(H2O)4]2V10O28·6H2O, (M=Zn, Mn)

Two compounds (NH4)2[M(dod)(H2O)4]2V10O28·6H2O (M = Zn, Mn) have been prepared in aqueous medium. X-ray single-structure analyses reveal that they are isostructural and crystallize in the triclinic space group P1. The structures of the two compounds consist of decavanadate anionic clusters and dimeric [M(dod)(H2O)4]24+ units, in which the two oxygen atoms from dod ligands ligating M2+ are in a cis fashion. There are a variety of hydrogen bonds including O–H⋯O and N–H⋯O among lattice water molecules, ammonium cations, oxygen atoms of decavanadate and oxygen atoms of dod, which extend the structures into three-dimensional supramolecular arrays.