The use of 3d-metal complexes as ligands to prepare volatile 4f–3d heterobimetallic complexes

Volatile heterobimetallic complexes can be prepared by reacting lanthanide β-diketonates, Ln(dik) 3, with Schiff base d-transition metal complexes M(SB). Complexes M(SB) behave as bidentate oxygen donor Lewis bases to react with Ln(dik) 3 Lewis acids, yielding stable heteronuclear complexes of gener...

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Bibliographic Details
Published in:Journal of alloys and compounds 2004-07, Vol.374 (1), p.315-319
Main Authors: Kuzmina, Natalia P, Malkerova, Irina P, Alikhanyan, Andrey S, Gleizes, Alain N
Format: Article
Language:English
Subjects:
4f–3d heterobimetallic complexes
Metal complex as ligand
Structure
Synthesis
Volatility
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Summary:Volatile heterobimetallic complexes can be prepared by reacting lanthanide β-diketonates, Ln(dik) 3, with Schiff base d-transition metal complexes M(SB). Complexes M(SB) behave as bidentate oxygen donor Lewis bases to react with Ln(dik) 3 Lewis acids, yielding stable heteronuclear complexes of general formula [M(SB)Ln(dik) 3]. Complexes with M=Cu, Ni, and H 2(SB) = Schiff base from ethylenediamine or other diamine and salicylic aldehyde or acetylacetone, have been synthesised. Volatility and thermal stability have been studied for some representative members of the series, in correlation with their crystal structures and thermal behaviours of the parent complexes. Some general principles for designing volatile complexes of formula [M(SB)Ln(dik) 3] may be proposed.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2003.11.098