Synthesis, Properties, and X-ray Structures of the Lanthanide .eta.6-Arene-Bridged Aryloxide Dimers Ln2(O-2,6-i-Pr2C6H3)6 and Their Lewis Base Adducts Ln(O-2,6-i-Pr2C6H3)3(THF)2 (Ln = Pr, Nd, Sm, Gd, Er, Yb, Lu) | doi.page