Affiliation:
1. Institut für Anorganische Chemie der Universität Kiel, Olshausenstraße 40, D-2300 Kiel
Abstract
The reaction of RuCl3 · 3 H2O with aqueous KSCN does not yield [Ru(NCS)e]3- as supposed previously, but a mixture of bond isomeric complexes [Ru(NCS)n(SCN)6-n]3-, n= 1-4. On prolonged heating of the solid tetrabutylammonium(TBA)-salts of this mixture (TBA)3[Ru(NCS)5(SCN)] is formed, which decomposes above 130 °C. By annealing the more stable bis-triphenylphosphineiminium(PNP) salts up to 160 °C the complex mixture is rearranged to (PNP)3[Ru(NCS)6]- On stirring the emulsion of the (PNP) compound in ethanol with a 100-fold excess of (TBA)Br, (TBA)3[Ru(NCS)6] is obtained. The IR and Raman spectra are assigned according to the point symmetry Oh of the complex ion.
Cited by
17 articles.
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