data_[Cs4K10Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.8978]
_cell_length_b [7.9803]
_cell_length_c [10.3119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1688]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2K5Bi4]
_chemical_formula_sum '[Cs4 K10 Bi8]'
_cell_volume [1225.8623]
_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
[
  Cs  Cs0  4  0.2468  0.5000  0.6126  1
  K  K1  8  0.1178  0.2492  0.9266  1
  K  K2  2  0.0000  0.0000  0.5000  1
  Bi  Bi3  4  0.0736  0.5000  0.1800  1
  Bi  Bi4  4  0.2274  0.0000  0.7617  1
]