Abstract

AbstractSingle crystals of Li2NaH(SO4)2 H2O are grown from aqueous solution, containing equimolar amounts of Li2SO4 H2O and NaHSO4 from 80°C down to 30°C over a period of 15 days, resulting in large good quality crystals. The as‐grown crystals are verified by using XRD powder technique. The local structure is discussed in the light of vibrational spectroscopy. Water of crystallization is evidenced from both IR and Raman spectra. Several endothermic and an exothermic phase transition anomalies have been observed from DTA scan. Considerable weight loss is observed at 108°C from thermogravimetric study (TGA). The melting point of the material is found to be 450 °C. The density of the compound is measured to be 2.5217 g/cm3.

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