data_[Rb4Sr4Bi4O12]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4089]
_cell_length_b [4.4017]
_cell_length_c [9.5056]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.2671]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbSrBiO3]
_chemical_formula_sum '[Rb4 Sr4 Bi4 O12]'
_cell_volume [522.8285]
_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  0.1594  0.5000  0.1480  1.0
  Sr  Sr1  4  0.1452  0.5000  0.5435  1.0
  Bi  Bi2  4  0.0217  0.0000  0.7708  1.0
  O  O3  4  0.0097  0.5000  0.7074  1.0
  O  O4  4  0.1350  0.0000  0.6659  1.0
  O  O5  4  0.1507  0.0000  0.3491  1.0
]