Crystal structure, vibrational spectra and thermal analysis of a new centrosymmetric transition metal phosphate compound, Mn(H2PO4)2⋠4H2O

► The structure Mn(H2PO4)2⋅4H2O is new and is not reported so far in the literature. ► The vibrational analysis and spectroscopy have been reported for the first time. ► The thermal analysis has been carried out for the first time. ► The study is fundamental and contributes to the research on hydrated salts.