data_[Tb2Bi2I2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Bi  2.0200  1.6000  1.0350
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [5.6979]
_cell_length_b [5.6979]
_cell_length_c [9.7200]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [TbBiIO6]
_chemical_formula_sum '[Tb2 Bi2 I2 O12]'
_cell_volume [273.2886]
_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
[
  Tb  Tb0  2  0.3333  0.6667  0.2500  1
  Bi  Bi1  2  0.0000  0.0000  0.0000  1
  I  I2  2  0.3333  0.6667  0.7500  1
  O  O3  12  0.0365  0.3710  0.6353  1
]