Summary: | In the title compound, [LiTa(C10H15)(C10H13N)2Cl(C4H10O)], the TaV atom is coordinated by a η5-pentamethylcyclopentadienyl (Cp*) ligand, a chloride ion and two N-bonded 2-tert-butylphenylimide dianions. With respect to the two N atoms, the chloride ion and the centroid of the Cp* ring, the tantalum coordination geometry is approximately tetrahedral. The lithium cation is bonded to both the 2-tert-butylphenylimide dianions and also a diethyl ether molecule, in an approximate trigonal planar arrangement. The Ta...Li separation is 2.681 (15) Å. In the crystal, a weak C—H...Cl interaction links the molecules. When compared to the 2,6-diisopropylphenylimide analogue (`the Wigley derivative') of the title compound, the two structures are conformationally matched with an overall r.m.s. difference of 0.461Å.
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