The low frequency infrared and Raman spectroscopic studies of some uranyl complexes: the deformation frequency of the uranyl ion

Abstract

A study of the low frequency vibrational spectra of compounds of the type L₂UO₂(NO₃)₂ (L = mono-dentate ligand), MUO₂(NO₃)₃ (M = monovalent cation), and CS₂UO₂X₄ (X = Cl or Br) has shown that the deformation frequency of the uranyl group occurs in the region 274–245 cm⁻¹ but detailed assignments of the U—O (nitrate) frequencies are not given since it is shown that structurally related complexes do not necessarily give similar low frequency infrared (i.r.) and Raman spectra.