data_[Mg4Ag4Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.5291]
_cell_length_b [4.5291]
_cell_length_c [13.9908]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [MgAgBi]
_chemical_formula_sum '[Mg4 Ag4 Bi4]'
_cell_volume [286.9931]
_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
[
  Mg  Mg0  4  0.0000  0.5000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.0000  0.3756  1.0
  Bi  Bi2  4  0.0000  0.0000  0.1634  1.0
]