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- W2008394875 abstract "The reaction between [FeIII(dmf)6](ClO4)3 and the ligand S-methyl-1-phenyl-isothiosemicarbazide, H2[LMe], and triethylamine (1:3:6) in methanol under an argon blanketing atmosphere at elevated temperatures (reflux) yields a purple solution from which upon cooling to 20 °C dark green crystals of [FeIII(LMe•)2(SCH3)] (1) were obtained in 15% yield. From a similar reaction mixture using FeCl3 as starting material in the solvent acetone under anaerobic conditions at −80 °C, dark green crystals of [FeIII(LMe•)2Cl] (2) were obtained in 21% yield. The structures of complexes 1 and 2 have been determined by single-crystal X-ray crystallography at 100 K. Both complexes are five-coordinate square base pyramidal ferric species containing two N,N-coordinated, monoanionic π radicals, (LMe•)1-, of the parent S-methyl-1-phenyl-isothiosemicarbazide(2−) dianion in the basal positions whereas the axial position is occupied by methylthiolate in 1 and chloride in 2, respectively. The electronic structure of both species has been elucidated by their electronic spectra, magnetic properties, and X-band EPR and Mössbauer spectra. Both possess an St = 1/2 ground state which is attained via an antiferromagnetic coupling between the spins of an intermediate spin ferric ion (SFe = 3/2) and two ligand π radical anions (Srad = 1/2)." @default.
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- W2008394875 date "2004-03-11" @default.
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- W2008394875 title "<i>N,N</i>-Coordinated π Radical Anions of <i>S</i>-Methyl-1-phenyl-isothiosemicarbazide in Two Five-Coordinate Ferric Complexes [Fe<sup>III</sup>(L<sup>Me</sup><sup>•</sup>)<sub>2</sub>X] (X = CH<sub>3</sub>S<sup>-</sup>, Cl<sup>-</sup>)" @default.
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- W2008394875 doi "https://doi.org/10.1021/ic030285r" @default.
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