Ligand-directed synthesis of {MnIII5} twisted bow-ties

María José Heras Ojea, Moya A. Hay, Giacomo Cioncoloni, Gavin A. Craig, Claire Wilson, Takuya Shiga, Hiroki Oshio, Mark D. Symes, Mark Murrie

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
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Two isostructural polymetallic complexes [MnIII5(μ3-O)2(CH3COO)4(L1)4]− and [MnIII5(μ3-O)2(CH3COO)4(L2)4]− have been synthesised by using two Schiff base ligands derived from 3,5-diamino-1,2,4-triazole, following two different preparative routes, either using the pre-formed ligand (for L1) or via a metal-mediated template synthesis (for L2). The {MnIII5} structure is unusual, being based on two corner-sharing perpendicular {Mn3} triangles forming a twisted bow-tie. The magnetic studies reveal antiferromagnetic coupling between Mn(iii) ions while electrochemical experiments are consistent with a quasi-reversible Mn(iii)↔Mn(iv) redox process at the central manganese ion.
Original languageEnglish
Pages (from-to)11201-11207
Number of pages7
JournalDalton Transactions
Issue number34
Publication statusPublished - 31 Jul 2017


  • isostructural polymetallic complexes
  • Manganese
  • antiferromagnetic coupling


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