Peroxo complexes of niobium(V) and tantalum(V)

This review covers the literature about niobium(V) and tantalum(V) complexes containing at least one peroxo ligand in their coordination sphere. In addition to the synthesis aspects, the available structural data as well as several results issued from techniques like IR and Raman spectroscopies, NMR, thermal analyses or mass spectrometry are collected and discussed. This paper also includes a brief description of the applications of these compounds in catalysis and as precursors in materials science.