data_[Rb8Bi4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.6479]
_cell_length_b [13.4961]
_cell_length_c [14.3264]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2BiTe2]
_chemical_formula_sum '[Rb8 Bi4 Te8]'
_cell_volume [898.6641]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.0668  0.6336  1.0
  Rb  Rb1  4  0.0000  0.3175  0.8390  1.0
  Bi  Bi2  4  0.0000  0.3703  0.5015  1.0
  Te  Te3  4  0.0000  0.0323  0.8867  1.0
  Te  Te4  4  0.0000  0.2207  0.1244  1.0
]