Triple bonds of niobium with silicon, germaniun and tin: the tetrylidyne complexes [(κ<sup>3</sup>-tmps)(CO)<sub>2</sub>NbE–R] (E = Si, Ge, Sn; tmps = MeSi(CH<sub>2</sub>PMe<sub>2</sub>)<sub>3</sub>; R = aryl)
Chemical science