data_[Y20Ge4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ge  2.0100  1.2500  0.7700
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.0618]
_cell_length_b [12.4200]
_cell_length_c [14.2254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Y5GeBi2]
_chemical_formula_sum '[Y20 Ge4 Bi8]'
_cell_volume [1070.9944]
_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
[
  Y  Y0  8  0.0000  0.0606  0.1186  1
  Y  Y1  8  0.0000  0.3742  0.0903  1
  Y  Y2  4  0.0000  0.3209  0.7500  1
  Ge  Ge3  4  0.0000  0.2295  0.2500  1
  Bi  Bi4  8  0.0000  0.1859  0.5695  1
]