Odd and Even Numbered Ferric Wheels

14 June 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


The structurally related odd and even numbered wheels [FeIII11ZnII4(tea)10(teaH)1(OMe)Cl8] (1) and [FeIII12ZnII4(tea)12Cl8] (2) can be synthesized under ambient conditions by reacting FeIII and ZnII salts with triethanolamine (teaH3), the change in nuclearity being dictated by the solvents employed. Antiferromagnetic exchange between nearest neighbours, J = -10.0 cm-1 for 1 and J = -12.0 cm-1 for 2, leads to a frustrated S = 1/2 ground state in the former and an S = 0 ground state in the latter.


odd numbered
molecular magnets
even numbered


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