data_[Na2Ag6Sn2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [P2_1/m]
_cell_length_a [6.4745]
_cell_length_b [8.4597]
_cell_length_c [10.3044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.7652]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaAg3SnTe4]
_chemical_formula_sum '[Na2 Ag6 Sn2 Te8]'
_cell_volume [552.5332]
_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
[
  Na  Na0  2  0.1994  0.2500  0.5582  1
  Ag  Ag1  4  0.2175  0.0567  0.0254  1
  Ag  Ag2  2  0.3204  0.2500  0.2659  1
  Sn  Sn3  2  0.2390  0.7500  0.7795  1
  Te  Te4  4  0.0383  0.5146  0.2458  1
  Te  Te5  2  0.3392  0.7500  0.5225  1
  Te  Te6  2  0.4789  0.7500  0.0524  1
]