biostudies-literatureUnknown67(Pt 5)Feng MThe tetra-nuclear title complex, [Cu(4)(C(7)H(4)O(3))(2)(OH)(2)(C(10)H(8)N(2))(4)](NO(3))(2)·4H(2)O, has a crystallographically imposed centre of symmetry. The Cu(II) atoms display a distorted square-pyramidal coordination geometry and are linked by two μ(2)-phenolate O atoms from the salicylate ligands and two μ(3)-hydroxo groups, forming a Cu(4)O(4) core that adopts a 'stepped-cubane' geometry. In the crystal, the cations are linked by O-H⋯O hydrogen bonds to the nitrate anions, which are in turn connected via O-H⋯O inter-actions to centrosymmentric water tetra-mers.Acta crystallographica. Section E, Structure reports onlinem520https://www.ebi.ac.uk/biostudies/studies/S-EPMC3089088biostudies-literatureTetra-kis(2,2'-bipyrid-ine)di-μ(3)-hydroxido-bis(μ-2-oxidobenzoato)tetra-copper(II) dinitrate tetra-hydrate.PMC3089088Feng MGu CHu TLMi HFfalseTetra-kis(2,2'-bipyrid-ine)di-μ(3)-hydroxido-bis(μ-2-oxidobenzoato)tetra-copper(II) dinitrate tetra-hydrate.The tetra-nuclear title complex, [Cu(4)(C(7)H(4)O(3))(2)(OH)(2)(C(10)H(8)N(2))(4)](NO(3))(2)·4H(2)O, has a crystallographically imposed centre of symmetry. The Cu(II) atoms display a distorted square-pyramidal coordination geometry and are linked by two μ(2)-phenolate O atoms from the salicylate ligands and two μ(3)-hydroxo groups, forming a Cu(4)O(4) core that adopts a 'stepped-cubane' geometry. In the crystal, the cations are linked by O-H⋯O hydrogen bonds to the nitrate anions, which are in turn connected via O-H⋯O inter-actions to centrosymmentric water tetra-mers.2011-01-01T00:00:00Z2011 May2025-04-05T11:55:45.44Z2019-03-26T23:59:20ZS-EPMC30890882175426310.1107/S1600536811011433