data_[K4Rb4Bi6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5038]
_cell_length_b [5.6332]
_cell_length_c [8.5494]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.9443]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Rb2Bi3]
_chemical_formula_sum '[K4 Rb4 Bi6]'
_cell_volume [659.6131]
_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  0.1142  0.0000  0.7754  1.0
  K  K1  4  0.1590  0.0000  0.2773  1.0
  Bi  Bi2  4  0.0750  0.5000  0.4343  1.0
  Bi  Bi3  2  0.0000  0.5000  0.0000  1.0
]