data_[Er4Cu1Pt3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cu  1.9000  1.3500  0.8200
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [5.5258]
_cell_length_b [4.4764]
_cell_length_c [6.9643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4228]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [Er4CuPt3]
_chemical_formula_sum '[Er4 Cu1 Pt3]'
_cell_volume [172.2654]
_cell_formula_units_Z [1]
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
[
  Er  Er0  1  0.1423  0.0000  0.3196  1
  Er  Er1  1  0.3605  0.0000  0.8170  1
  Er  Er2  1  0.6339  0.5000  0.1870  1
  Er  Er3  1  0.8619  0.5000  0.6765  1
  Cu  Cu4  1  0.8630  0.0000  0.9629  1
  Pt  Pt5  1  0.1345  0.5000  0.0349  1
  Pt  Pt6  1  0.3447  0.5000  0.5460  1
  Pt  Pt7  1  0.6591  0.0000  0.4561  1
]