Tetra-μ2-acetatodiacetatodi-μ3- hydroxidotetrakis-[piperidinecopper(II)] dihydrate

Johannes Klein, Robert J. Thatcher, Adrian C. Whitwood, Richard J.K. Taylor

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The title complex, [Cu4(C2H3O 2)6(OH)2(C5H11N) 4]·2H2O, possesses an unusual inversionsymmetric tetranuclear copper framework, with each CuII atom displaying a squarepyramidal geometry and one additional long Cu⋯O contact. The four piperidine ligands are terminal, one at each CuII atom, and the two hydroxide ligands are triply bridging. The six acetate ligands exhibit two distinct coordination modes, namely as two monodentate acetates and four bridging acetates that bridge the two inequivalent copper centres. The noncoordinating acetate O atom is involved in intramolecular hydrogen bonding with H atoms from the hydroxide and one piperidine ligand. In addition, extensive intermolecular hydrogen bonding involving the solvent water molecules is observed.

Original languageEnglish (US)
JournalActa Crystallographica Section C: Crystal Structure Communications
Issue number4
StatePublished - Apr 1 2011

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