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International Union of Crystallography, Acta Crystallographica Section E: Crystallographic Communications, 9(72), p. 1229-1233, 2016

DOI: 10.1107/s2056989016012135

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Crystal structures of two ytterbium(III) complexes comprising alkynylamidinate ligands

Journal article published in 2016 by Sida Wang, Farid M. Sroor, Phil Liebing ORCID, Volker Lorenz, Liane Hilfert, Frank T. Edelmann ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Two ytterbium(III) complexes comprising alkynylamidinate ligands, namely bis(η5-cyclopentadienyl)(3-cyclopropyl-N,N′-diisopropylpropynamidinato-κ2N,N′)ytterbium(III), [Yb(C5H5)2(C12H19N2)] or Cp2Yb[(iPr2N)2C—C[triple-bond]C—c-C3H5] (1) and tris(3-phenyl-N,N′-dicyclohexylpropynamidinato-κ2N,N′)ytterbium(III), [Yb(C21H27N2)3] or Yb[(CyN)2C—C[triple-bond]C—Ph]3(Cy = cyclohexyl) (2) have been synthesized and structurally characterized. Both complexes are monomers; for complex2, the contribution to the scattering from highly disordered toluene solvent molecules in these voids was removed with the SQUEEZE routine [Spek (2015).Acta Cryst.C71, 9–18] inPLATON. The stated crystal data forMr, μetc. do not take these into account.