Molecular materials from 1,3,2-dithiazolyls. Solid-state structures and magnetic properties of 2,3-naphthalene and quinoxaline derivatives

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Tosha M. Barclay, A. Wallace Cordes, Noel A. George, Robert C. Haddon, Richard T. Oakley, Thomas T. M. Palstra, Gregory W. Patenaude, Robert W. Reed, John F. Richardson and Hongzhou Zhang


Abstract

In the solid state, at room temperature, the radicals 2,3-naphthalene-1,3,2-dithiazolyl (NDTA) and quinoxaline-1,3,2-dithiazolyl (QDTA) are not dimerized; discrete molecules of NDTA are packed in a herringbone fashion, while those of QDTA adopt a slipped π-stack motif; NDTA is essentially paramagnetic at ambient temperatures, with weak antiferromagnetism developing below 190 K; QDTA is diamagnetic at low temperature, but limited paramagnetism sets in above 120 K.


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