simulation: General information about simulation setup
initial: Initial geometries for optimization
molecule: General information about molecular species
intra: Intramolecular potentials/force fields
inter: Intermolecular potentials/force fields
scan_1D: One-dimensional scans of potentials/force fields
optimize: Geometry optimization
vibrations: Normal modes of molecular vibrations
dynamics: Molecular dynamics or Monte Carlo simulations
Use few (but highly structured!) variables
Use variables globally to avoid troubles (loss of efficiency?!) in passing arguments from/to functions