data_[Pm3Pr4Sm2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.6694]
_cell_length_b [3.6694]
_cell_length_c [27.4362]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Pm3(Pr2Sm)2]
_chemical_formula_sum '[Pm3 Pr4 Sm2]'
_cell_volume [319.9310]
_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
[
  Pr  Pr0  1  0.0000  0.0000  0.2144  1
  Pr  Pr1  1  0.0000  0.0000  0.4330  1
  Pm  Pm2  1  0.0000  0.0000  0.6544  1
  Pm  Pm3  1  0.3333  0.6667  0.3211  1
  Pr  Pr4  1  0.3333  0.6667  0.5445  1
  Pr  Pr5  1  0.3333  0.6667  0.7653  1
  Pm  Pm6  1  0.3333  0.6667  0.9834  1
  Sm  Sm7  1  0.0000  0.0000  0.0875  1
  Sm  Sm8  1  0.0000  0.0000  0.8736  1
]