Here, we report an investigation of the anionic structure in the anion-disordered transition-metal oxyfluoride, cubic (ReO 3 -type) TiOF 2 . Cubic TiOF 2 has previously been studied as a lithium-ion electrode material and as a photocatalyst . The average structure of cubic TiOF 2 consists of corner-sharing Ti[O, F] 6 octahedra within a cubic P m 3m spacegroup (Fig. ). A previous X-ray diffraction study of cubic TiOF 2 found no evidence for anion ordering, and, on this basis, it was suggested that oxygen and fluorine are fully disordered (uncorrelated) over the available Wyckoff 3d sites . Short-range ordering of oxygen and fluorine anions, however, is known in other ReO 3 -type transition-metal oxyfluorides, such as NbO 2 F and TaO 2 F , and it is therefore reasonable to ask whether ReO 3 -type TiOF 2 might also exhibit short-range anion ordering.