data_[Ce8Pm8Pt4]
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
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.3673]
_cell_length_b [12.1853]
_cell_length_c [7.2522]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.5646]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2Pm2Pt]
_chemical_formula_sum '[Ce8 Pm8 Pt4]'
_cell_volume [582.3186]
_cell_formula_units_Z [4]
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  4  0.2252  0.0000  0.4229  1
  Ce  Ce1  4  0.2308  0.0000  0.8046  1
  Pm  Pm2  8  0.0487  0.2872  0.7575  1
  Pt  Pt3  4  0.0000  0.1168  0.0000  1
]