code: def _kick(self):
          
          xyz_init = self.xyz
          for particle in self.particles():
              particle.pos += (np.random.rand(3,) - 0.5) / 100
          self._update_port_locations(xyz_init)
docs: Slightly adjust all coordinates in a Compound
  
          Provides a slight adjustment to coordinates to kick them out of local
          energy minima.