data_[Pm6Pr16Sm4]
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 [C2/m]
_cell_length_a [13.3975]
_cell_length_b [12.0126]
_cell_length_c [6.2956]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.5145]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3(Pr4Sm)2]
_chemical_formula_sum '[Pm6 Pr16 Sm4]'
_cell_volume [929.0756]
_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
[
  Pr  Pr0  8  0.1718  0.2554  0.6715  1
  Pm  Pm1  4  0.0000  0.2457  0.0000  1
  Pr  Pr2  4  0.0544  0.5000  0.7833  1
  Pr  Pr3  4  0.1514  0.0000  0.0538  1
  Pm  Pm4  2  0.0000  0.0000  0.5000  1
  Sm  Sm5  4  0.2123  0.5000  0.3493  1
]