6533b86efe1ef96bd12cc78b

RESEARCH PRODUCT

An unsolvated erbium organyl: (2,4,6,2′′,4′′,6′′-hexamethyl-1,1′:3′;1′′-terphenyl-2′-yl)bis(methylcyclopentadienyl)erbium(III)

subject

description

The title compound, [Er(Dmp)(C5H4Me)2] (Dmp = 2,6-Mes2C6H3, with Mes = 2,4,6-Me3C6H2) or [Er(C6H7)2(C24H25)], was obtained by the reaction of LiDmp with Er(C5H4Me)3. The Er atom is η5-coordinated by two methyl­cyclo­penta­dienyl ligands (average Er⋯centroid distance = 2.341 A) and η1-coordinated by the ipso-C atom of the aryl substituent [Er—C = 2.434 (4) A]. An additional π-arene contact with one of the Mes groups [Er⋯C = 3.077 (4) A] gives rise to the pyramidalization of the metal-atom environment.