Poly[μ-aqua-diaqua(μ3-N′-carboxymethylethylenediamine-N,N,N′-triacetato)oxidopotassium(I)vanadium(IV)]

Poly[μ-aqua-diaqua(μ3-N′-carboxymethylethylenediamine-N,N,N′-triacetato)oxidopotassium(I)vanadium(IV)]

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In daddario ej10 the crystal structure of the title compound, [KV(C10H13N2O8)O(H2O)3]n, the VIV ion adopts a distorted octahedral geometry, coordinated by one oxide group, two N and three carboxylate O atoms from the same N′-carboxymethylethylenediamine-N,N,N′-triacetate (HEDTA) ligand.The potassium ion is heptacoordinated by two water molecules, two bridging water molecules and three carboxylate O inert 40mm grenade atoms from three neighbouring HEDTA ligands.The HEDTA ligands and some of the water molecules act as bridges, linking the compound into a three-dimensional architecture via 21 screw, c-glide, translation and inversion symmetry operators.Meanwhile, three types of O—H.O hydrogen bonds provide an additional stabilization of the three-dimensional architecture.