[(VIVO)2MII5] (M = Ni, Co) Anderson wheels

Hector W. L. Fraser, Emily H. Payne, Arup Sarkar, Lucinda R. B. Wilson, Dmitri Mitcov, Gary S. Nichol, Gopalan Rajaraman, Stergios Piligkos, Euan K. Brechin

Research output: Contribution to journalArticlepeer-review


Heterometallic Anderson wheels of formula [(VIVO)2MII5(hmp)10Cl2](ClO4)2·2MeOH (M = Ni, 1; Co, 2) have been synthesised from the solvothermal reaction of M(ClO4)2·6H2O and VCl3 with hmpH (2-(hydroxymethyl)pyridine). The metallic skeleton describes a centred hexagon, with the two vanadyl ions sitting on opposing sides of the outer ring. Magnetic susceptibility and magnetisation measurements indicate the presence of both ferromagnetic and antiferromagnetic exchange interactions. Theoretical calculations based on density functional methods reproduce both the sign and strength of the exchange interactions found experimentally, and rationalise the parameters extracted.
Original languageEnglish
JournalDalton Transactions
Early online date2 Jul 2021
Publication statusE-pub ahead of print - 2 Jul 2021


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