data_[Rb2Bi2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [P-1]
_cell_length_a [4.3741]
_cell_length_b [6.4360]
_cell_length_c [7.2536]
_cell_angle_alpha [99.2957]
_cell_angle_beta [90.8247]
_cell_angle_gamma [91.3449]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbBiO3]
_chemical_formula_sum '[Rb2 Bi2 O6]'
_cell_volume [201.4288]
_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  2  0.0207  0.2824  0.2285  1
  Bi  Bi1  2  0.4978  0.2170  0.8009  1
  O  O2  2  0.0029  0.8081  0.2453  1
  O  O3  2  0.4314  0.5907  0.4896  1
  O  O4  1  0.5000  0.0000  0.0000  1
  O  O5  1  0.5000  0.5000  0.0000  1
]