data_[Pm4Tl4Bi2O12]
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
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2342]
_cell_length_b [10.7424]
_cell_length_c [6.8425]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9036]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Tl2BiO6]
_chemical_formula_sum '[Pm4 Tl4 Bi2 O12]'
_cell_volume [436.0484]
_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  0.0000  0.3347  0.5000  1
  Tl  Tl1  4  0.0000  0.1685  0.0000  1
  Bi  Bi2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.2188  0.1646  0.6730  1
  O  O4  4  0.2412  0.5000  0.6768  1
]