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Indium(I) hexafluoropnictates (InPnF6; Pn = P, As, Sb)
Mazej, Zoran
, p. 3983 - 3987 (2007/10/03)
The colourless compounds InPnF6 (Pn = P, As, Sb), with In I in a solely fluorine environment, were prepared by reacting In metal with PnF5 (Pn = P) and displacement of the weaker Lewis acid BF3 from InBF4 by a stronger one, PnF5 (Pn = As, Sb), in anhydrous hydrogen fluoride (aHF). The X-ray powder diffraction analyses show that InPF6 crystallises in cubic unit cell with a = 8.07(2) A, while InAsF6 crystallises in a rhombohedral unit cell with a = 7.58(2) and c = 7.90(1) A. The Raman spectra of InPnF 6 (Pn = P, As, Sb) confirm the formation of PnF6 - salts. An attempt to prepare InF and In2F4 (InIInIIIF4) by reaction of CsF with InSbF 6 in aHF or by metathetical reaction of InSbF6 with CsInF4 in aHF, respectively, failed. Instead of InF and In 2F4, respectively, a mixture of In and InF3 was obtained. Wiley-VCH Verlag GmbH & Co. KGaA, 2005.
