data_[Rb4Sr4Bi4F24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Bi  2.0200  1.6000  1.0350
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.5062]
_cell_length_b [8.7766]
_cell_length_c [12.6295]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [RbSrBiF6]
_chemical_formula_sum '[Rb4 Sr4 Bi4 F24]'
_cell_volume [942.8578]
_cell_formula_units_Z [4]
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  0.0000  0.2500  0.0461  1.0
  Sr  Sr1  4  0.2500  0.2500  0.7500  1.0
  Bi  Bi2  4  0.0000  0.0000  0.5000  1.0
  F  F3  16  0.1971  0.0553  0.6155  1.0
  F  F4  4  0.0000  0.2500  0.4423  1.0
  F  F5  4  0.0000  0.2500  0.8350  1.0
]