With its intermediate behavior, the q-Gaussian is suitable to describe convolution mechanisms in general. In Sparavigna, 2023, we have shown that the q-Gaussian is able of mimicking pseudo-Voigt, Voigt and Egelstaff-Schofield line shapes. Besides a detailed discussion of the decomposition in bands of Raman spectra for carbonaceous material, in , link, we have shown several examples which demonstrate the q-Gaussians properly suitable for the Raman spectral data analysis. Here, we consider the q-exponential function for fitting onto the Raman spectrum of anatase, a natural occurrence of the titanium dioxide.