data_[Pm12Pr4Tl4]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.7249]
_cell_length_b [5.5389]
_cell_length_c [11.3270]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm3PrTl]
_chemical_formula_sum '[Pm12 Pr4 Tl4]'
_cell_volume [672.8634]
_cell_formula_units_Z [4]
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  0.0936  0.2500  0.6119  1
  Pm  Pm1  4  0.0993  0.7500  0.1734  1
  Pm  Pm2  4  0.1414  0.7500  0.8511  1
  Pr  Pr3  4  0.2244  0.2500  0.0136  1
  Tl  Tl4  4  0.0691  0.2500  0.3370  1
]