data_[Rb4Bi2Sb4Te12]
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
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.5883]
_cell_length_b [13.1270]
_cell_length_c [9.3829]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4005]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Bi(SbTe3)2]
_chemical_formula_sum '[Rb4 Bi2 Sb4 Te12]'
_cell_volume [901.0806]
_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
[
  Rb  Rb0  4  0.0000  0.1639  0.0000  1.0
  Bi  Bi1  2  0.0000  0.0000  0.5000  1.0
  Sb  Sb2  4  0.0000  0.3316  0.5000  1.0
  Te  Te3  8  0.2368  0.1706  0.6977  1.0
  Te  Te4  4  0.2212  0.5000  0.6991  1.0
]