data_[Pm4Dy12Er6Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1037]
_cell_length_b [10.5790]
_cell_length_c [11.6984]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0546]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Dy6Er3Mg]
_chemical_formula_sum '[Pm4 Dy12 Er6 Mg2]'
_cell_volume [743.7756]
_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  0.0000  0.3333  0.0000  1
  Dy  Dy1  8  0.2497  0.1659  0.2521  1
  Dy  Dy2  4  0.2481  0.0000  0.7472  1
  Er  Er3  4  0.0000  0.1656  0.5000  1
  Er  Er4  2  0.0000  0.5000  0.5000  1
  Mg  Mg5  2  0.0000  0.0000  0.0000  1
]