data_[Yb4Sn8Bi4O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.4991]
_cell_length_b [7.5163]
_cell_length_c [10.6278]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [YbSn2BiO7]
_chemical_formula_sum '[Yb4 Sn8 Bi4 O28]'
_cell_volume [599.0433]
_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
[
  Yb  Yb0  4  0.0000  0.0000  0.5000  1
  Sn  Sn1  4  0.0000  0.0000  0.0000  1
  Sn  Sn2  4  0.2500  0.2500  0.2500  1
  Bi  Bi3  4  0.2500  0.2500  0.7500  1
  O  O4  16  0.2117  0.0405  0.1237  1
  O  O5  4  0.0000  0.2500  0.3353  1
  O  O6  4  0.0000  0.2500  0.6200  1
  O  O7  4  0.0000  0.2500  0.9153  1
]