data_[K4Tb4Bi2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tb  1.1000  1.7500  0.9815
  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 [6.0459]
_cell_length_b [10.4715]
_cell_length_c [6.6973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.7856]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Tb2BiO6]
_chemical_formula_sum '[K4 Tb4 Bi2 O12]'
_cell_volume [405.9364]
_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
[
  K  K0  4  0.0000  0.1656  0.0000  1
  Tb  Tb1  4  0.0000  0.3346  0.5000  1
  Bi  Bi2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.2205  0.1698  0.6787  1
  O  O4  4  0.2333  0.5000  0.6801  1
]