data_[Mg8Zn6Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.2247]
_cell_length_b [3.5871]
_cell_length_c [33.6623]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Mg4Zn3Ag4]
_chemical_formula_sum '[Mg8 Zn6 Ag8]'
_cell_volume [389.3790]
_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
[
  Mg  Mg0  4  0.0000  0.0000  0.0474  1
  Mg  Mg1  4  0.0000  0.0000  0.3174  1
  Zn  Zn2  4  0.0000  0.0000  0.1364  1
  Zn  Zn3  2  0.0000  0.0000  0.5000  1
  Ag  Ag4  4  0.0000  0.0000  0.2258  1
  Ag  Ag5  4  0.0000  0.0000  0.4057  1
]