Abstract

In the title compound, (C24H20As)2[Co2(C6H6NO6)2(OH)2]·8H2O, the CoIII atom in the binuclear centrosymmetric anion is octa­hedrally surrounded by one N atom and three O atoms of the tetra­dentate nitrilo­triacetate ligand and two μ-hydroxide ligands. The crystal packing is controlled by C—H⋯O and O—H⋯O hydrogen-bonding inter­actions. The crystal employed in this study proved to be a two-component twin around (01).

Highlights

  • H atoms treated by a mixture of independent and constrained refinement max = 0.41 e Å3

  • In the title compound, (C24H20As)2[Co2(C6H6NO6)2(OH)2]8H2O, the CoIII atom in the binuclear centrosymmetric anion is octahedrally surrounded by one N atom and three O atoms of the tetradentate nitrilotriacetate ligand and two hydroxide ligands

  • The crystal packing is controlled by C—

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Summary

Structure Reports

H atoms treated by a mixture of independent and constrained refinement max = 0.41 e Å3. Min = 0.36 e Å3 a Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein. 9300, South Africa, and bDepartment of Chemistry, University of Cambridge, Lensfield Rd, Cambridge CB2 1EW, England. Symmetry code: (i) x þ 1; y þ 2; z þ 1. R factor = 0.030; wR factor = 0.098; data-to-parameter ratio = 54.0. In the title compound, (C24H20As)2[Co2(C6H6NO6)2(OH)2]8H2O, the CoIII atom in the binuclear centrosymmetric anion is octahedrally surrounded by one N atom and three O atoms of the tetradentate nitrilotriacetate ligand and two hydroxide ligands. The crystal packing is controlled by C—. H O and O—H O hydrogen-bonding interactions. The crystal employed in this study proved to be a two-component twin around (011)

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