data_[Ba8Zn4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.6240]
_cell_length_b [15.0286]
_cell_length_c [11.6674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ba2ZnBiO5]
_chemical_formula_sum '[Ba8 Zn4 Bi4 O20]'
_cell_volume [635.4459]
_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
[
  Ba  Ba0  4  0.0000  0.0927  0.6707  1
  Ba  Ba1  4  0.0000  0.1333  0.3224  1
  Zn  Zn2  4  0.0000  0.4504  0.4344  1
  Bi  Bi3  4  0.0000  0.2075  0.0304  1
  O  O4  4  0.0000  0.0509  0.0162  1
  O  O5  4  0.0000  0.2841  0.6557  1
  O  O6  4  0.0000  0.3112  0.4081  1
  O  O7  4  0.0000  0.3507  0.0021  1
  O  O8  4  0.0000  0.4956  0.7840  1
]