data_[Rb10Bi2O8F4]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.1118]
_cell_length_b [11.0402]
_cell_length_c [6.7609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Rb5Bi(O2F)2]
_chemical_formula_sum '[Rb10 Bi2 O8 F4]'
_cell_volume [605.4844]
_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  8  0.2433  0.1845  0.1016  1.0
  Rb  Rb1  2  0.5000  0.0000  0.5991  1.0
  Bi  Bi2  2  0.0000  0.0000  0.5864  1.0
  O  O3  4  0.0000  0.1502  0.7651  1.0
  O  O4  4  0.2012  0.0000  0.4042  1.0
  F  F5  4  0.5000  0.2033  0.8319  1.0
]