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Publication 81  

  1. Unusual packing of ET molecules caused by π-π stacking interactions with TRISPHAT molecules in two [ET][TRISPHAT] salts
    (ET = bis(ethylenedithio)tetrathiafulvalene, TRISPHAT = (tris(tetrachlorobenzenediolato)phosphate(V)))

    Miguel Clemente-León, Eugenio Coronado, Carlos J. Gómez-García, Alejandra Soriano-Portillo, Samuel Constant, Richard Frantz, Jérôme Lacour
    Inorg. Chim. Acta 2007, 360, 955-960

The synthesis, structure and physical properties of two new radical salts formed with the organic donor bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF or ET) and a racemic mixture of the chiral anion (tris(tetrachlorobenzenediolato)phosphate(V)) (TRISPHAT) are reported. The structure of the salts (ET)4[TRISPHAT]4 · 3.5H2O (1) and (ET)(TRISPHAT) · CH2Cl2 · CH3CN (2) has been solved by X-ray single crystal diffraction. Unusual packings of ET molecules are obtained in the two structures. The electrical properties indicate that both compounds are insulators. This is in agreement with the isolation of the ET molecules and their complete ionization. On the other hand, the anisotropy of the ESR lines has been studied by Q-band ESR spectra.

Link: http://dx.doi.org/10.1016/j.ica.2006.07.025 

open archive unige:7056