data_[Ag4Ge8Sb4Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [8.5652]
_cell_length_b [12.1353]
_cell_length_c [8.8787]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [AgGe2SbTe4]
_chemical_formula_sum '[Ag4 Ge8 Sb4 Te16]'
_cell_volume [922.8680]
_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  0.0000  0.0000  0.4709  1.0
  Ge  Ge1  8  0.2500  0.2500  0.1974  1.0
  Sb  Sb2  4  0.0000  0.0000  0.9548  1.0
  Te  Te3  8  0.0000  0.2456  0.4094  1.0
  Te  Te4  8  0.2426  0.0000  0.1802  1.0
]