Heavier halides of transition metals by halide exchange |
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Authors: | Daniela Belli Dell&rsquo Amico [Author Vitae]Author Vitae],Guido Pampaloni [Author Vitae] |
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Affiliation: | Università di Pisa, Dipartimento di Chimica e Chimica Industriale, Via Risorgimento 35, I-56126 Pisa, Italy |
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Abstract: | Examples are reported of heavier (bromides or iodides) metal halides of the d or f transition series being prepared through the halide exchange reaction from the lighter congeners (fluorides or chlorides, easily prepared by direct combination from the elements), by using gaseous hydrogen halides HX or alkyl halides RX in an anhydrous organic solvent at room temperature or even below. This represents a considerable improvement with respect to the traditional high-temperature experimental procedures from the elements. Thermodynamic data show that this synthetic route is of quite general validity. |
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Keywords: | Metal halides Halide exchange Chloride Bromide Iodide Thermodynamic data |
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