data_[K6Rb2Bi4O10]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.5348]
_cell_length_b [6.5745]
_cell_length_c [7.7993]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.1525]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K3RbBi2O5]
_chemical_formula_sum '[K6 Rb2 Bi4 O10]'
_cell_volume [483.9646]
_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
[
  K  K0  2  0.0080  0.0000  0.0159  1
  K  K1  2  0.1510  0.5000  0.1312  1
  K  K2  2  0.3308  0.0000  0.8734  1
  Rb  Rb3  2  0.4985  0.5000  0.4961  1
  Bi  Bi4  2  0.1756  0.5000  0.6967  1
  Bi  Bi5  2  0.3506  0.0000  0.3448  1
  O  O6  4  0.0708  0.2639  0.7913  1
  O  O7  4  0.3635  0.2327  0.1756  1
  O  O8  2  0.0736  0.5000  0.4368  1
]