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Abstract
AbstractIn the temperature range 120 to 300 °K a study has been made of the infrared absorption spectra of KCl and KBr single crystals doped with SeO and SeO anions. It is shown that the SeO anions in these matrices form complexes SeO · M2+ of symmetry C2V, with cations M2+ (M2+ – Ca2+, Sr2+, Ba2+) similar to the complexes SeO · M2+ and CrO · M2+ observed earlier. A lowering of the local symmetry results in the splitting of V3(F) vibration of the tetrahedral anion SeO. An identification of bands and their fine structure assumed to be isotropic was made in the infrared absorption spectra of the complex SeO · M2+. The existence of similar complexes SeO · M2+ was assumed in KBr and KCI lattices doped with SeO in connection with the quartet structure of infrared absorption spectra in the vibration region V3(E) of the SeO anion.
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