data_[Na10Sn4Te10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.9646]
_cell_length_b [4.4944]
_cell_length_c [13.0473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2944]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na5Sn2Te5]
_chemical_formula_sum '[Na10 Sn4 Te10]'
_cell_volume [828.2316]
_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  4  0.1571  0.5000  0.0417  1
  Na  Na1  4  0.2343  0.5000  0.3568  1
  Na  Na2  2  0.0000  0.5000  0.5000  1
  Sn  Sn3  4  0.0473  0.0000  0.7904  1
  Te  Te4  4  0.1087  0.0000  0.4093  1
  Te  Te5  4  0.1876  0.5000  0.7979  1
  Te  Te6  2  0.0000  0.0000  0.0000  1
]