data_[Sr8Ag4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.5149]
_cell_length_b [16.3623]
_cell_length_c [9.5329]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Sr2AgBiO5]
_chemical_formula_sum '[Sr8 Ag4 Bi4 O20]'
_cell_volume [548.2481]
_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
[
  Sr  Sr0  8  0.0000  0.1120  0.0317  1.0
  Ag  Ag1  4  0.0000  0.4857  0.2500  1.0
  Bi  Bi2  4  0.0000  0.2342  0.7500  1.0
  O  O3  8  0.0000  0.2707  0.1018  1.0
  O  O4  4  0.0000  0.1042  0.7500  1.0
  O  O5  4  0.0000  0.3671  0.7500  1.0
  O  O6  4  0.0000  0.5000  0.0000  1.0
]