data_[Ce8Pm6Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.9876]
_cell_length_b [9.6381]
_cell_length_c [15.3198]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce4Pm3Ge4]
_chemical_formula_sum '[Ce8 Pm6 Ge8]'
_cell_volume [588.7890]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Ce  Ce0  8  0.0000  0.2836  0.1911  1
  Pm  Pm1  4  0.0000  0.5000  0.3975  1
  Pm  Pm2  2  0.0000  0.0000  0.5000  1
  Ge  Ge3  4  0.0000  0.0000  0.2612  1
  Ge  Ge4  4  0.0000  0.2233  0.0000  1
]