data_[Mg2Al4Ag14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.5697]
_cell_length_b [12.8358]
_cell_length_c [4.5951]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [MgAl2Ag7]
_chemical_formula_sum '[Mg2 Al4 Ag14]'
_cell_volume [446.4786]
_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  2  0.0000  0.0000  0.0000  1
  Al  Al1  4  0.0000  0.3009  0.5000  1
  Ag  Ag2  8  0.1842  0.1148  0.5000  1
  Ag  Ag3  4  0.0000  0.2132  0.0000  1
  Ag  Ag4  2  0.0000  0.5000  0.5000  1
]