data_[Sr8Ga4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ga  1.8100  1.3000  0.7600
  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 [3.4031]
_cell_length_b [16.8190]
_cell_length_c [9.9192]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2GaBiO5]
_chemical_formula_sum '[Sr8 Ga4 Bi4 O20]'
_cell_volume [567.7507]
_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  4  0.0000  0.0991  0.6820  1.0
  Sr  Sr1  4  0.0000  0.1100  0.3026  1.0
  Ga  Ga2  4  0.0000  0.4480  0.4524  1.0
  Bi  Bi3  4  0.0000  0.2236  0.0130  1.0
  O  O4  4  0.0000  0.0391  0.0422  1.0
  O  O5  4  0.0000  0.2959  0.6685  1.0
  O  O6  4  0.0000  0.3458  0.3684  1.0
  O  O7  4  0.0000  0.3555  0.0037  1.0
  O  O8  4  0.0000  0.4964  0.7911  1.0
]