1. Download scripts for Mopac computations
    1. Go to home directiry:cd ~;
    2. Download scripts: git clone https://github.com/kimvu94/mopac.git;
    3. Add execute permission: chmod u+x mopac/*;
    4. Change permission for sort geometries from the BOMD trajectory scripts: cd mopac; chmod u+x geometry_clustering/*
  2. Download scripts for Gaussian computations: cd ~; git clone https://github.com/kimvu94/gaussian.git; chmod u+x gaussian/*