Low-temperature absorption spectra of the MoO2−4 ion in Cs2SO4 and of the ReO−4 ion in RbClO4 and in (C2H5)4NClO4 |
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Authors: | R Borromei G Ingletto L Di Sipio |
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Institution: | Istituto di Chimica Fisica, Università di Parma, Parma, Italy;Istituto di Chimica Generale ed Inorganica, Università di Padova, Padova, Italy |
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Abstract: | Absorption spectra of single crystals of Cs2SO4 doped with MoO2?4 and of RbClO4 and (C2H5)4HClO4 doped with ReO?4 have been measured at the liquid-helium temperature. All spectra show two band systems with pronounced vibrational structures. In Td symmetry they must correspond to 1T2 - 1A1 charge-transfer electornic transitions. It is likely that in the two band systems there are more than two electronic transitions. |
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