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Université de Fribourg

The Heterometallic Clusters of Trivalent Rare Earth Metals of [Ln(OPh)₆{Li(dme)}₃], with Ln=Eu and Sm

Maudez, William ; Fromm, Katharina M.

In: Helvetica Chimica Acta, 2009, vol. 92, no. 11, p. 2349-2356

Two new heterobimetallic phenoxide LnIII-Li complexes of formula [Ln(μ₂-OPh)₆{Li(dme)}₃] (Ln=Sm, Eu) have been synthesized and characterized using single-crystal X-ray diffraction. These two compounds are isostructural.

Université de Fribourg

Analogy of the Coordination Chemistry of Alkaline Earth Metal and Lanthanide Ln²⁺ Ions: The Isostructural Zoo of Mixed Metal Cages [IM(OtBu)₄{Li(thf)}₄(OH)] (M=Ca, Sr, Ba, Eu), [MM′₆(OPh)₈(thf)₆] (M=Ca, Sr, Ba, Sm, Eu, M′=Li, Na), and their Derivatives with 1,2-Dimethoxyethane

Maudez, William ; Meuwly, Markus ; Fromm, Katharina M.

In: Chemistry - A European Journal, 2007, vol. 13, no. 29, p. 8302 - 8316

As previously shown, alkali and alkaline earth metal iodides in nonaqueous, aprotic solvents behave like transition metal halides, forming cis- and trans-dihalides with various neutral O-donor ligands. These compounds can be used as precursors for the synthesis of new mixed alkali/alkaline earth metal aggregates. We show here that Ln²⁺ ions form isostructural cluster compounds....