data_[Pm8Tl2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.1565]
_cell_length_b [6.8000]
_cell_length_c [10.5267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.2675]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm4TlSb2]
_chemical_formula_sum '[Pm8 Tl2 Sb4]'
_cell_volume [428.9262]
_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  0.4692  0.0146  0.7457  1
  Pm  Pm1  2  0.0337  0.7500  0.8525  1
  Pm  Pm2  2  0.1516  0.7500  0.4656  1
  Tl  Tl3  2  0.0442  0.7500  0.1728  1
  Sb  Sb4  2  0.2987  0.2500  0.4525  1
  Sb  Sb5  2  0.4065  0.2500  0.0035  1
]