data_[Ag4Sn8Te12]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.7301]
_cell_length_b [6.1867]
_cell_length_c [13.2076]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [AgSn2Te3]
_chemical_formula_sum '[Ag4 Sn8 Te12]'
_cell_volume [713.3449]
_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  0.1216  0.7500  0.0925  1
  Sn  Sn1  4  0.1259  0.7500  0.7377  1
  Sn  Sn2  4  0.1329  0.7500  0.4196  1
  Te  Te3  4  0.1156  0.2500  0.0804  1
  Te  Te4  4  0.1260  0.2500  0.7489  1
  Te  Te5  4  0.1368  0.2500  0.4210  1
]