data_[K1Sr2Bi3O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [P-3m1]
_cell_length_a [6.1255]
_cell_length_b [6.1255]
_cell_length_c [7.5540]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [KSr2(BiO3)3]
_chemical_formula_sum '[K1 Sr2 Bi3 O9]'
_cell_volume [245.4696]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1.0
  Sr  Sr1  2  0.3333  0.6667  0.3629  1.0
  Bi  Bi2  2  0.3333  0.6667  0.8408  1.0
  Bi  Bi3  1  0.0000  0.0000  0.5000  1.0
  O  O4  6  0.1742  0.3484  0.6476  1.0
  O  O5  3  0.0000  0.5000  0.0000  1.0
]