Heterotrinuclear complexes containing d- and f-block elements: Synthesis and structural characterisation of novel lanthanide(III)-nickel(II)-lanthanide(III) compounds bridged by oxamidate

Takayuki Sanada, Takayoshi Suzuki, Sumio Kaizaki

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Abstract

The reaction of lanthanide(III) ions with a tripodal ligand HB(pz)3- [= hydrotris(pyrazol-1-yl)borate] and a 'complex ligand' [NiL]2- [L = tdo4- or edo4-, where H4tdo = trimethylenebis(oxamide) and H4edo = ethylenebis(oxamide)] in aqueous solution produced the novel 3d-4f heterotrinuclear complexes [NiL{Ln[HB(pz)3]2}2] [abbreviated as Ni(tdo)Ln2 (Ln = Eu, Tb or Yb) and Ni(edo)Ln2 (Ln = Sm to Lu)]. The crystal structures of Ni(tdo)Yb2 and Ni(edo)Lu2 have been determined by X-ray diffraction method. The Ni atoms in both have a square-planar environment and the Ln atoms have eight-co-ordinated square-antiprismatic co-ordination geometries.

Original languageEnglish
Pages (from-to)959-965
Number of pages7
JournalJournal of the Chemical Society, Dalton Transactions
Issue number6
Publication statusPublished - Mar 21 1998
Externally publishedYes

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ASJC Scopus subject areas

  • Inorganic Chemistry

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