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Titanyl

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Structure of OTi(NCS)2(Me3tacn).

In inorganic chemistry, titanyl refers to the functional group TiO, sometimes written TiO. The term titanyl is used loosely to describe many titanium(IV) oxide compounds and complexes. For example, titanyl sulfate and potassium titanyl phosphate contain TiO centers with the connectivity O-Ti-O-Ti. In heterogeneous catalysis, titanyl refers to a terminal oxo ligand on a surface titanium(IV) center. There are a few molecular titanyl complexes where the oxo ligand is terminal, not bridging. In these cases the titanyl group is described as having a triple bond, i.e., Ti≡O.

References

  1. Axel Bodner; Peter Jeske; Thomas Weyhermueller; Karl Wieghardt; Erich Dubler; Helmut Schmalle; Bernhard Nuber (1992). "{Mono- and Dinuclear Titanium(III)/Titanium(IV) Complexes with 1,4,7-Trimethyl-1,4,7-triazacyclononane (L). Crystal Structures of a Compositionally Disordered Green and a Blue Form of . Structures of , (ClO4), and (PF6)". Inorganic Chemistry. 31: 3737–3748. doi:10.1021/ic00044a015.
  2. John Meurig Thomas; Gopinathan Sankar (2001). "The Role of Synchrotron-Based Studies in the Elucidation and Design of Active Sites in Titanium−Silica Epoxidation Catalysts". Accounts of Chemical Research. 34: 571–581. doi:10.1021/ar010003w.
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