data_[Rb8Li4Mg4Bi8]
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
  Mg  1.3100  1.5000  0.8600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.1767]
_cell_length_b [17.1342]
_cell_length_c [7.1974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Rb2LiMgBi2]
_chemical_formula_sum '[Rb8 Li4 Mg4 Bi8]'
_cell_volume [885.0402]
_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  8  0.2445  0.1703  0.0000  1.0
  Li  Li1  4  0.0000  0.0000  0.2500  1.0
  Mg  Mg2  4  0.0000  0.5000  0.2500  1.0
  Bi  Bi3  8  0.2499  0.4065  0.0000  1.0
]