data_[Rb4Li12Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.7714]
_cell_length_b [4.9946]
_cell_length_c [8.5425]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.0502]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbLi3Bi2]
_chemical_formula_sum '[Rb4 Li12 Bi8]'
_cell_volume [702.7740]
_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  0.1626  0.0000  0.0903  1.0
  Li  Li1  4  0.0005  0.0000  0.6672  1.0
  Li  Li2  4  0.0928  0.5000  0.6535  1.0
  Li  Li3  4  0.1914  0.5000  0.4501  1.0
  Bi  Bi4  4  0.0254  0.5000  0.1899  1.0
  Bi  Bi5  4  0.1591  0.0000  0.6098  1.0
]