data_[Ca4Pm6Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pm  1.1300  1.8500  1.1100
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.9018]
_cell_length_b [7.8326]
_cell_length_c [7.7457]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4760]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ca2Pm3Pt4]
_chemical_formula_sum '[Ca4 Pm6 Pt8]'
_cell_volume [451.9600]
_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
[
  Ca  Ca0  4  0.1971  0.6783  0.5793  1
  Pm  Pm1  4  0.2384  0.1668  0.7496  1
  Pm  Pm2  2  0.5000  0.0000  0.5000  1
  Pt  Pt3  4  0.0944  0.0336  0.3685  1
  Pt  Pt4  4  0.4979  0.1298  0.1278  1
]