Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 10 (October 2003)


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Acta Cryst. (2003). C59, m416-m420    [doi:10.1107/S0108270103019073]

Three yttrium crotonate complexes with diimines

A. M. Atria, J. C. Muñoz, A. Soto, M. T. Garland and R. Baggio

Abstract: The synthesis and crystal structures of three new yttrium crotonate (crot) compounds, associated with three different nitrogenous bases, namely 1,10-phenanthroline (phen), 4-methyl-1,10-phenanthroline (mphen) and 2,2'-bipyridylamine (bpa), are presented. All three compounds organize as centrosymmetric dimers, to give tetra-[bold mu]-crotonato-bis[crotonato(1,10-phenanthroline)yttrium(III)] dihydrate, [Y2(C4H5O2)6(C12H8N2)2]·2H2O or [Y(crot)3(phen)]2·2H2O, (I), tetra-[bold mu]-crotonato-bis[crotonato(4-methyl-1,10-phenanthroline)yttrium(III)] dihydrate, [Y2(C4H5O2)6(C13H10N2)2]·2H2O or [Y(crot)3(mphen)]2·2H2O, (II), and tetra-[bold mu]-crotonato-bis[diaqua(crotonato)yttrium(III)] 2,2'-bipyridylamine tetrasolvate, [Y2(C4H5O2)6(H2O)4]·4C10H9N3 or [Y(crot)3(aq)2]2·4(bpa), (III). Complexes (I) and (II) are isomorphous, with the bases acting as chelating ligands. In complex (III), the coordination sphere is built up of carboxylate and aqua ligands, with the non-coordinated diimine acting as included solvent.

Formula: Three {Y2(C5H5O2)6} complexes with diimines

Online 23 September 2003

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Structure factor file (CIF format) (260.9 kbytes)
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Structure factor file (CIF format) (385.5 kbytes)
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