Issue 36, 2021

[(VIVO)2M II5] (M = Ni, Co) Anderson wheels

Abstract

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.

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

Supplementary files

Article information

Article type
Paper
Submitted
26 5 2021
Accepted
02 7 2021
First published
02 7 2021
This article is Open Access
Creative Commons BY license

Dalton Trans., 2021,50, 12495-12501

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

H. W. L. Fraser, E. H. Payne, A. Sarkar, L. R. B. Wilson, D. Mitcov, G. S. Nichol, G. Rajaraman, S. Piligkos and E. K. Brechin, Dalton Trans., 2021, 50, 12495 DOI: 10.1039/D1DT01710A

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