import numpy as np

from ase import Atoms

images = [
    Atoms(symbols='PbTiO3',
          pbc=np.array([True, True, True]),
          cell=np.array(
              [[3.89500000, 0.00000000, 0.00000000],
               [0.00000000, 3.89500000, 0.00000000],
               [0.00000000, 0.00000000, 4.17100000]]),
          positions=np.array(
              [[0.00000000, 0.00000000, 0.00000000],
               [1.94750000, 1.94750000, 2.25234000],
               [1.94750000, 1.94750000, 0.49217800],
               [1.94750000, 0.00000000, 2.59019100],
               [0.00000000, 1.94750000, 2.59019100]])),
]