Concepedia

Cubane Clusters Containing Lanthanide Ions:  (py)<sub>8</sub>Yb<sub>4</sub>Se<sub>4</sub>(SePh)<sub>4</sub> and (py)<sub>10</sub>Yb<sub>6</sub>S<sub>6</sub>(SPh)<sub>6</sub>

Deborah A. Freedman, J.H. Melman, Thomas J. Emge, John G. Brennan

Inorganic Chemistry · 1998 · 78 citations · 25 references

DOI

Concepts

Abstract

Chalcogenolates of the smaller lanthanides (Ln) react with elemental chalcogen to give the first examples of cubane clusters containing Ln ions. Both (py)8Yb4Se4(SePh)4 and (py)10Yb6S6(SPh)6 were isolated; the Se compound exhibits the familiar M4E4 structural motif, while the S compound is best described as a double cube. Both structures reveal unusual trends in Yb−chalcogenido bond lengths.

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