The use of a well-defined surface organometallic complex as a probe molecule: [(≡SiO)Ta(V)Cl2Me2] shows different isolated silanol sites on the silica surface.

@article{Chen2014TheUO,
  title={The use of a well-defined surface organometallic complex as a probe molecule: [(≡SiO)Ta(V)Cl2Me2] shows different isolated silanol sites on the silica surface.},
  author={Yin Chen and Bin Zheng and Edy Abou-Hamad and Ali Hamieh and Bilel Hamzaoui and Kuo-Wei Huang and Jean Basset},
  journal={Chemical communications},
  year={2014},
  volume={50 79},
  pages={11721-3}
}
Ta(V)Cl2Me3 reacts with silica(700) and produces two different [(≡SiO)Ta(V)Cl2Me2] surface organometallic species, suggesting a heterogeneity of the highly dehydroxylated silica surface, which was studied with a combined experimental and theoretical approach.