... of the complexes were confirmed by 1 H, 13 C{ 1 H}, and 77 Se{ 1 H} NMR spectroscopy ... The corresponding tellurolate complexes [Cp 2 M(TeBu t ) 2 ] (M = Zr or Hf) were prepared using a similar ... Arnold and co-workers have shown that [Cp 2 Zr{TeC(SiMe 3 ) 3 } 2 ] forms in situ ...