On Pentafluoroorthotellurates and Related Compounds

Area of Science:

• Inorganic Chemistry
• Organometallic Chemistry

Background:

• The pentafluoroorthotellurate (teflate, OTeF5) ligand is a unique moiety with strong electron-withdrawing character, steric bulk, and oxidative stability.
• Its lower analogues, pentafluoroorthoselenate (OSeF5) and pentafluorosulfate (OSF5), are less explored.

Purpose of the Study:

• To review the properties and applications of the teflate ligand.
• To highlight the synthesis of teflate-based compounds across the periodic table.
• To discuss recent derivatization of the OTeF5 group.

Main Methods:

• Literature review of syntheses and properties of teflate compounds.
• Survey of applications in various chemical species.
• Discussion of recent advancements in OTeF5 group derivatization.

Main Results:

• Numerous p-block and d-block species incorporating the teflate ligand have been synthesized.
• These include reactive Lewis acids, weakly coordinating anions, noble gas compounds, and transition metal complexes.
• Derivatization of the OTeF5 group offers new research avenues.

Conclusions:

• The teflate ligand is a versatile building block for novel inorganic and organometallic compounds.
• Its unique properties facilitate the synthesis of diverse and intriguing chemical species.
• Ongoing research into teflate derivatization promises further exciting discoveries.