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Issue 34, 2017
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Ligand-directed synthesis of {MnIII5} twisted bow-ties

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Abstract

Two isostructural polymetallic complexes [MnIII53-O)2(CH3COO)4(L1)4] and [MnIII53-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.

Graphical abstract: Ligand-directed synthesis of {MnIII5} twisted bow-ties

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Publication details

The article was received on 05 Jul 2017, accepted on 24 Jul 2017 and first published on 31 Jul 2017


Article type: Paper
DOI: 10.1039/C7DT02430D
Citation: Dalton Trans., 2017,46, 11201-11207
  • Open access: Creative Commons BY license
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    Ligand-directed synthesis of {MnIII5} twisted bow-ties

    M. J. Heras Ojea, M. A. Hay, G. Cioncoloni, G. A. Craig, C. Wilson, T. Shiga, H. Oshio, M. D. Symes and M. Murrie, Dalton Trans., 2017, 46, 11201
    DOI: 10.1039/C7DT02430D

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