Raman spectroscopy study of species responsible for the fast proton conductivity in H2Sb4O11.3H2O

Abstract The Raman spectroscopy study of crystallized antimonic acid trihydrate powders in the 20–4000 cm −1 confirme the explicit formula : (H 3 O + ) 2−x [Sb 4 O 11−x OH x ] −(2−x ).(3+x−2)H 2 O. Furthermore it emphasizes the presence of hydrogen bonds between either the SbOSb bridge and H 3 O + or the protonated Sb(OH)Sb bridge and H 2 O.