data_[Pm2Er2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [6.6942]
_cell_length_b [3.7298]
_cell_length_c [6.9737]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1745]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [PmErPt]
_chemical_formula_sum '[Pm2 Er2 Pt2]'
_cell_volume [168.8164]
_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
[
  Pm  Pm0  1  0.0463  0.0000  0.6120  1
  Pm  Pm1  1  0.1157  0.5000  0.1233  1
  Er  Er2  1  0.5219  0.0000  0.4714  1
  Er  Er3  1  0.6082  0.0000  0.9984  1
  Pt  Pt4  1  0.7623  0.5000  0.7526  1
  Pt  Pt5  1  0.7633  0.5000  0.3151  1
]