Fig. : Decompositions of the band at 515 cm -1 , assigned E(TO), A1(TO) as in the Figure , with one or two q-BWF functions. On the left, the decomposition as in the Figure previously given; on the right, a decomposition in two different components. Note that the misfit (lower part of images) is strongly reduced. The two components have the peaks at 514 and 526 cm -1 , respectively. The fit of the dip, that in the Figure is assigned to E(LO), A1(LO), E(TO) is improved too.