data_[Na6Tl2Bi4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [6.0611]
_cell_length_b [10.5074]
_cell_length_c [6.0221]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4998]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Tl(BiO3)2]
_chemical_formula_sum '[Na6 Tl2 Bi4 O12]'
_cell_volume [361.5251]
_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  0.1613  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Tl  Tl2  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi3  4  0.0000  0.3329  0.0000  1.0
  O  O4  8  0.2385  0.1625  0.2287  1.0
  O  O5  4  0.2499  0.0000  0.7738  1.0
]