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Molecules 2004, 9(9), 771-781; doi:10.3390/90900771
Article

Synthesis and Magnetic Properties of the Novel Dithiadiazolyl Radical, p-NCC6F4C6F4CNSSN

1, 1, 2, 1 and 1,*
Received: 23 May 2004 / Accepted: 21 June 2004 / Published: 31 August 2004
(This article belongs to the Special Issue Ferromagnetic Organic Radicals)
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Abstract

The dithiadiazolyl radical p-NCC6F4C6F4CNSSN (4) retains its monomericnature in the solid state with molecules linked together into chains via supramolecularCN···S interactions. Variable temperature magnetic studies on 4 show that it behaves as anear-ideal Curie paramagnet (|θ| less than 0.1 K), indicating negligible intermolecularexchange. The effective magnetic moment (1.78 μB) is temperature independent and inexcellent agreement with the value expected for an S = 1⁄2 paramagnet with g = 2.01(1.74μB). The lack of exchange coupling between radicals is attributed to the absence ofsignificant orbital overlap between radical centres.
Keywords: Magnetic properties; dithiadiazolyl; molecular magnetism; organic magnet. Magnetic properties; dithiadiazolyl; molecular magnetism; organic magnet.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Alberola, A.; Less, R.J.; Palacio, F.; Pask, C.M.; Rawson, J.M. Synthesis and Magnetic Properties of the Novel Dithiadiazolyl Radical, p-NCC6F4C6F4CNSSN. Molecules 2004, 9, 771-781.

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