data_[Mg8Ga20Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [11.0795]
_cell_length_b [12.5594]
_cell_length_c [5.5649]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Mg2Ga5Ag3]
_chemical_formula_sum '[Mg8 Ga20 Ag12]'
_cell_volume [774.3695]
_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  8  0.1234  0.2300  0.5000  1
  Ga  Ga1  8  0.1358  0.1440  0.0000  1
  Ga  Ga2  8  0.2458  0.5000  0.2500  1
  Ga  Ga3  4  0.0000  0.5000  0.2500  1
  Ag  Ag4  8  0.1156  0.3457  0.0000  1
  Ag  Ag5  4  0.0000  0.0000  0.2500  1
]