data_[Rb4Zn4Bi2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3120]
_cell_length_b [4.4801]
_cell_length_c [8.4638]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.4635]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Zn2BiTe4]
_chemical_formula_sum '[Rb4 Zn4 Bi2 Te8]'
_cell_volume [650.5467]
_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  0.1300  0.0000  0.5417  1.0
  Zn  Zn1  4  0.1754  0.5000  0.9694  1.0
  Bi  Bi2  2  0.0000  0.0000  0.0000  1.0
  Te  Te3  4  0.0264  0.5000  0.7647  1.0
  Te  Te4  4  0.2095  0.0000  0.1708  1.0
]