data_[Pm4Er6Pt8]
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 [P2_1/c]
_cell_length_a [7.6135]
_cell_length_b [7.6499]
_cell_length_c [7.7340]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5744]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm2Er3Pt4]
_chemical_formula_sum '[Pm4 Er6 Pt8]'
_cell_volume [424.4126]
_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  4  0.1957  0.1775  0.0786  1
  Er  Er1  4  0.2451  0.6641  0.2478  1
  Er  Er2  2  0.5000  0.0000  0.5000  1
  Pt  Pt3  4  0.0900  0.5385  0.8596  1
  Pt  Pt4  4  0.4968  0.1347  0.8703  1
]