data_[Ag8Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.1329]
_cell_length_b [4.3162]
_cell_length_c [9.1463]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Ag2Sn]
_chemical_formula_sum '[Ag8 Sn4]'
_cell_volume [242.1147]
_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
[
  Ag  Ag0  4  0.1112  0.7500  0.2487  1
  Ag  Ag1  4  0.1305  0.7500  0.5776  1
  Sn  Sn2  4  0.1433  0.7500  0.9048  1
]