for pidCG in range(num_particlesCG):
    # we put CG molecule in first atom, later CG molecules will be positioned in the center
    cmp = espressopp.tools.AdressSetCG(4, pidCG, allParticlesAT)
    # Preparation of tuples (tuples define, which atoms belong to which CG molecules)
    tmptuple = [pidCG+num_particles]