The reaction of 2 equiv of
C9H
6-1-SiMe
3-3-CH
2CH
2NC
5H
10 (
2) with the ytterbium(III) amide [(Me
3Si)
2N]
3Yb-(
![](/images/entities/mgr.gif)
-Cl)Li(THF)
3 produced a novel ytterbium(II) complex withan indenyl ligand bonded to the metal via the benzo ring with
4 hapticity, [
4:
2:
1-(C
5H
10NCH
2CH
2C
9H
5SiMe
3)Li(
![](/images/entities/mgr.gif)
-Cl)]Yb-(
5:
1-C
5H
10NCH
2CH
2C
9H
5SiMe
3) (
1), as verified by a solid-state structure determination and theoretical calculations.