data_[Mg4Ag8Sn2]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.7348]
_cell_length_b [4.4938]
_cell_length_c [17.1857]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Mg2Ag4Sn]
_chemical_formula_sum '[Mg4 Ag8 Sn2]'
_cell_volume [288.4318]
_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  0.5000  0.1174  1
  Ag  Ag1  4  0.0000  0.0000  0.2570  1
  Ag  Ag2  4  0.0000  0.5000  0.3714  1
  Sn  Sn3  2  0.0000  0.0000  0.0000  1
]