data_[Na2Sb2Te2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [4.6395]
_cell_length_b [4.5029]
_cell_length_c [9.4543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.3125]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [NaSbTe]
_chemical_formula_sum '[Na2 Sb2 Te2]'
_cell_volume [194.3167]
_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  0.1593  0.4915  0.6564  1.0
  Sb  Sb1  2  0.2123  0.4089  0.0195  1.0
  Te  Te2  2  0.3392  0.4893  0.3190  1.0
]