data_[Na6Pr2Tl4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pr  1.1300  1.8500  1.0600
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.9795]
_cell_length_b [10.3948]
_cell_length_c [6.0193]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9213]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3PrTl2O6]
_chemical_formula_sum '[Na6 Pr2 Tl4 O12]'
_cell_volume [353.9232]
_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
[
  Na  Na0  4  0.0000  0.1772  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Pr  Pr2  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl3  4  0.0000  0.3340  0.0000  1.0
  O  O4  8  0.2460  0.8287  0.2259  1.0
  O  O5  4  0.2321  0.5000  0.2292  1.0
]