Structure and magnetic properties of a sulfur–nitrogen radical, methylbenzodithiazolyl
- 4 August 2000
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 10 (9) , 2001-2003
- https://doi.org/10.1039/b004992l
Abstract
An X-ray crystal structure of the methylbenzodithiazolyl radical MeC6H3S2N˙, MBDTA, reveals that it forms a regularly spaced π-stack motif in the solid state; variable temperature magnetic studies show that the susceptibility passes through a broad maximum at 140 K indicative of exceptionally strong antiferromagnetic coupling for an organic radical possessing extended magnetic interactions. Its behaviour can be modelled as a two-dimensional Heisenberg square lattice of S = 1/2 ions with J = −72 K.Keywords
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