Preparation and crystal structure of the mixed-valence (YbIII,II) tetranuclear complex, (Me5C5)6Yb(µ-F)4

Abstract
Silver fluoride and (Me5C5)2 Yb in toluene give the novel, tetranuclear, mixed-valence complex (Me5C5)6Yb4(µ-F)4 as shown by single crystal X-ray crystallography.