# Neededs the equilibrium geometry, at which the Hessian had been calculated Geometry = GenFormat { <<< geo.gen } DisplayModes = { PlotModes = -10:-1 # Take the top 10 modes Animate = Yes # make xyz files showing the atoms moving } # You need to specify the SK-files, as the mass of the elements is needed SlaterKosterFiles = Type2FileNames { Separator = "-" Suffix = ".skf" } # Include the Hessian, which was calculated by DFTB+ Hessian = { <<< "hessian.out" }