data_[Pm4Pr4Sm6]
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 [P2_1/c]
_cell_length_a [6.5521]
_cell_length_b [12.6740]
_cell_length_c [7.0994]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.7070]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm2Pr2Sm3]
_chemical_formula_sum '[Pm4 Pr4 Sm6]'
_cell_volume [496.0615]
_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  4  0.0002  0.7065  0.3383  1
  Pm  Pm1  4  0.4132  0.1134  0.0644  1
  Sm  Sm2  4  0.4154  0.6136  0.8499  1
  Sm  Sm3  2  0.0000  0.0000  0.5000  1
]