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Infrared spectra of Li2SO4·H2O and Li2SO4·D2O have been measured from 4000 to 30 cm−1 at room temperature and liquid-nitrogen temperature. Librational bands of the water of crystallization have been observed and the modes of libration are discussed. The normal coordinate analysis of the crystal as a whole has been performed and the observed bands are interpreted. Translational bands of H2O and librational bands of SO4 are also discussed.
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Meshitsuka et al. (1971) studied this question.
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