A paramagnetic copper(III) complex containing an octahedral Cu(III)S6 coordination polyhedron

Carsten Krebs, Thorsten Glaser, Eckhard Bill, Thomas Weyhermüller, Wolfram Meyer-Klaucke, Karl Wieghardt

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Only the second octahedral, paramagnetic copper(III) complex (S=1) has now been synthesized and characterized. Six thiolato bridging ligands in the heterotrinuclear species [LCo(III)Cu(III)Co(III)L]-(ClO4)3·2Me2CO (L = 1,4,7-tris(4-tert-butyl-2-sulfidobenzyl)-1,4,7-triazacyclononane) stabilize this rare electron configuration. A section of the structure of the reduced form (Cu(II), S = 1/2 ) is shown. XAS, EXAFS, and EPR spectroscopy prove unambiguously that the one-electron oxidation to the copper(III) is metal- rather than ligand-centered.

Original languageEnglish (US)
Pages (from-to)359-361
Number of pages3
JournalAngewandte Chemie - International Edition
Issue number3
StatePublished - Feb 1 1999

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)


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