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New examples of triangular terbium(iii) and holmium(iii) and hexagonal dysprosium(iii) single molecule toroics

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Abstract

The structural, magnetic and theoretical aspects are described for three triangular lanthanide complexes, [TbIII3(OH)(teaH2)3(paa)3]Cl2 (1), [DyIII3(OH)(teaH2)3(paa)3]Cl2 (2) and [HoIII3(OH)(teaH2)3(paa)3]Cl2 (3), and a hexanuclear wheel of formula [DyIII6(pdeaH)6(NO3)6] (4) [teaH3 = triethanolamine, paaH = N-(2-pyridyl)-acetoacetamide and pdeaH3 = 3-[bis(2-hydroxyethyl)amino]propan-1-ol]. Each complex displays single molecule toroidal behaviour as rationalised using high-level ab initio calculations. Complexes 2 and 3 are the first examples of mixed moment single molecule toroidal complexes featuring non-Kramers ions.

Graphical abstract: New examples of triangular terbium(iii) and holmium(iii) and hexagonal dysprosium(iii) single molecule toroics

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Publication details

The article was received on 07 Jun 2019, accepted on 27 Aug 2019 and first published on 27 Aug 2019


Article type: Paper
DOI: 10.1039/C9DT02419K
Dalton Trans., 2019, Advance Article

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    New examples of triangular terbium(III) and holmium(III) and hexagonal dysprosium(III) single molecule toroics

    S. K. Langley, K. R. Vignesh, T. Gupta, C. J. Gartshore, G. Rajaraman, C. M. Forsyth and K. S. Murray, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT02419K

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