Two novel eight-nuclear lanthanide oxide and chloride clusters Ln8(μ-η2-L4)2(μ3-Cl)4(μ-Cl)10(μ4-O)3(THF)8 (Ln = Er(3), Dy(4); L4 = [OC{(Me)CN-2,6-iPrC6H3}2]2−) have been synthesized by the reaction of β-diketiminate rare-earth metal chlorides with oxygen, providing a new oxidation and
