Rhodium(III) and iridium(III) half-sandwich complexes with tertiary arsine and stibine ligands
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The syntheses of rhodium(III) and iridium(III) half sandwich complexes containing tertiary arsine and stibine ligands of the form [Cp*M(L)Cl2] (M = Rh, Ir; L = AsEt3, AsPh3, SbPh3) are reported. These compounds represent infrequent examples of rhodium and iridium metal complexes bearing arsenic or antimony ligands. All new compounds were fully characterised using 1H and 13C NMR spectroscopy, mass spectrometry and single crystal X-ray diffraction. DFT calculations show the formation of the complexes from (Cp*MCl2)2 and EPh3 (E = P, As, Sb) to be highly exothermic, although the enthalpic driving force is decreasing in the expected sequence P > As > Sb.
Chalmers , B A , Buehl , M , Nejman , P , Slawin , A M Z , Woollins , J D & Kilian , P 2015 , ' Rhodium(III) and iridium(III) half-sandwich complexes with tertiary arsine and stibine ligands ' Journal of Organometallic Chemistry , vol In press . DOI: 10.1016/j.jorganchem.2015.09.006
Journal of Organometallic Chemistry
Copyright © 2015 Published by Elsevier B.V. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://dx.doi.org/10.1016/j.jorganchem.2015.09.006
This work was financially supported by the EPSRC and the EPSRC National Mass Spectrometry Service Centre (NMSSC) Swansea.
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