Figure 1
From: Non-empirical atomistic dipole-interaction-model for quantum plasmon simulation of nanoparticles

Small silver nanoclusters with the cuboctahedron symmetry [(a,b,c, and d)] and their optical spectra calculated through ADA, DDA and TDDFT [(e,f,g, and h)], respectively. ADA (w/g) and (w/p) denote spectra from simulations with the Gaussian and point charges, respectively.