data_[Rb8Ag4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7846]
_cell_length_b [5.4273]
_cell_length_c [12.5650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.3193]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2AgBi2]
_chemical_formula_sum '[Rb8 Ag4 Bi8]'
_cell_volume [767.4950]
_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  0.0851  0.0000  0.8854  1.0
  Rb  Rb1  4  0.1765  0.5000  0.6838  1.0
  Ag  Ag2  4  0.1363  0.5000  0.3585  1.0
  Bi  Bi3  4  0.0980  0.0000  0.4566  1.0
  Bi  Bi4  4  0.1176  0.5000  0.1145  1.0
]