data_[Rb6Er4Bi2Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  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 [7.8859]
_cell_length_b [13.6603]
_cell_length_c [8.9346]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1127]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Er2BiTe6]
_chemical_formula_sum '[Rb6 Er4 Bi2 Te12]'
_cell_volume [919.8593]
_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  0.1643  0.5000  1.0
  Rb  Rb1  2  0.0000  0.5000  0.5000  1.0
  Er  Er2  4  0.0000  0.3331  0.0000  1.0
  Bi  Bi3  2  0.0000  0.0000  0.0000  1.0
  Te  Te4  8  0.2365  0.1702  0.1986  1.0
  Te  Te5  4  0.2254  0.5000  0.1979  1.0
]