Abstract
Polarized Raman spectra measured in the temperature range between 10–293K are reported for SFDH, SFDD single crystals and isotopically samples of Sr(HCOO) 2.2(H,D) 2O.AtT=293 K the uncoupled OD(H) stretching motions are observed in the range ν=2200–2600(3000–3500) cm −1 Plausible assignments to the distinct crystallographically non equivalent H 2O(D 2O) molecular group are given. The investigation has been conducted to elucidate this situation as well as that the structural role of lattice water molecules in molecular crystals.
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