data_[Pm2Dy14Er8]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9933]
_cell_length_b [5.8449]
_cell_length_c [12.5869]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.9908]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmDy7Er4]
_chemical_formula_sum '[Pm2 Dy14 Er8]'
_cell_volume [779.1204]
_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  2  0.0000  0.0000  0.0000  1
  Dy  Dy1  4  0.0592  0.0000  0.3278  1
  Dy  Dy2  4  0.1339  0.5000  0.5032  1
  Dy  Dy3  4  0.2108  0.0000  0.9223  1
  Dy  Dy4  2  0.0000  0.5000  0.0000  1
  Er  Er5  4  0.1335  0.5000  0.7746  1
  Er  Er6  4  0.2499  0.5000  0.3160  1
]