Tetraaquabis[4-(4H-1,2,4-triazol-4-yl)benzoato-κN1]nickel(II) decahydrate

In the title compound, [Ni(C9H6N3O2)(2)(H2O)(4)]center dot 10H(2)O, the Ni-II ion lies on a twofold rotation axis and displays a slightly distorted octahedral geometry defined by two N atoms from two monodentate 4-(1,2,4-triazol-4-yl) benzoate ligands and four water molecules, two of which also lie on the twofold rotation axis. In the crystal, the complex molecules and uncoordinated water molecules are linked via intermolecular O-H center dot center dot center dot N and O-H center dot center dot center dot O hydrogen bonds, forming a three-dimensional supramolecular network. pi-pi interactions between the benzene rings provide additional stability of the crystal packing [centroid-centroid distance = 3.792 (2) angstrom].