Structure and magnetic properties of a sulfur–nitrogenradical, methylbenzodithiazolyl

Gordon D. McManus; Jeremy M. Rawson; Neil Feeder; Fernando Palacio; Patricia Oliete

doi:10.1039/B004992L

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Gordon D. McManus,^a Jeremy M. Rawson,*^a Neil Feeder,^a Fernando Palacio*^b and Patricia Oliete^b

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* Corresponding authors

^a Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge, UK
E-mail: jmr31@cam.ac.uk

^b Instituto de Ciencia de Materiales de Aragon, CSIC-Universidad de Zaragoza, Zaragoza, Spain

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.

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Article information

DOI: https://doi.org/10.1039/B004992L
Article type: Communication
Submitted: 22 Jun 2000
Accepted: 12 Jul 2000
First published: 04 Aug 2000

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J. Mater. Chem., 2000,10, 2001-2003

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