data_[Pm10Sm12Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [10.6094]
_cell_length_b [22.8929]
_cell_length_c [3.5769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Pm5(Sm3Mg)2]
_chemical_formula_sum '[Pm10 Sm12 Mg4]'
_cell_volume [868.7637]
_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  0.0826  0.2487  0.5000  1
  Pm  Pm1  4  0.1671  0.9943  0.5000  1
  Pm  Pm2  2  0.0000  0.5000  0.5000  1
  Sm  Sm3  4  0.0183  0.1134  0.0000  1
  Sm  Sm4  4  0.1459  0.3819  0.0000  1
  Sm  Sm5  4  0.1679  0.6342  0.5000  1
  Mg  Mg6  4  0.1672  0.7612  0.0000  1
]