data_[Er8Bi4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Bi  2.0200  1.6000  1.0350
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [7.9246]
_cell_length_b [12.1191]
_cell_length_c [4.3523]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Er4Bi2Os]
_chemical_formula_sum '[Er8 Bi4 Os2]'
_cell_volume [417.9894]
_cell_formula_units_Z [2]
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
[
  Er  Er0  4  0.1320  0.6957  0.0000  1.0
  Er  Er1  4  0.2070  0.4426  0.5000  1.0
  Bi  Bi2  4  0.0777  0.1718  0.5000  1.0
  Os  Os3  2  0.0000  0.5000  0.0000  1.0
]