data_[Sr8Hg4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Hg  2.0000  1.5000  1.2450
  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 [3.7564]
_cell_length_b [14.4600]
_cell_length_c [11.1081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2HgBiO5]
_chemical_formula_sum '[Sr8 Hg4 Bi4 O20]'
_cell_volume [603.3643]
_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  0.1111  0.6897  1
  Sr  Sr1  4  0.0000  0.1481  0.2645  1
  Hg  Hg2  4  0.0000  0.2372  0.0002  1
  Bi  Bi3  4  0.0000  0.4639  0.4658  1
  O  O4  4  0.0000  0.0554  0.0605  1
  O  O5  4  0.0000  0.2783  0.6531  1
  O  O6  4  0.0000  0.3214  0.3707  1
  O  O7  4  0.0000  0.3919  0.0323  1
  O  O8  4  0.0000  0.4852  0.7871  1
]