As previously told, for our deconvolution of the water 3200-3400 cm -1 band, we proposed the q-Gaussian functions, which have a shape changing from Lorentzian to Gaussian,according to the qparameter of the q-exponential Tsallis function (see Appendix). We linked the q-parameter to the local environment of the oscillators. In fact, the approach with q-Gaussians is suitable for a two-fluids model, where each fluid is characterized by a different entropic index. Actually, the q-parameter is the entropic index of the Tsallis entropy.