Die IR-Spektren der Phasen ABTe3O8 (A = Fe,In, Sc; B = Nb,Ta) und UTe3O9

I.R. Spectra of the Phases A B Te₃O₈ (A = Fe, In, Sc; B = Nb, Ta) and UTe₃O₉ The infrared spectra of the title compounds have been recorded and discussed in comparison to formerly investigated M^IVTe₃O₈ phases. The spectrum of UTe₃O₉ (synthetic cliffordite) confirms the presence of uranyl groups and the structural relation of this compound to the fluorite.