data_[K2Na2Te2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2440]
_cell_length_b [6.3315]
_cell_length_c [7.2174]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8207]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KNaTeO4]
_chemical_formula_sum '[K2 Na2 Te2 O8]'
_cell_volume [273.1203]
_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
[
  K  K0  2  0.2766  0.2500  0.0532  1.0
  Na  Na1  2  0.1810  0.2500  0.5265  1.0
  Te  Te2  2  0.2766  0.7500  0.3350  1.0
  O  O3  4  0.0784  0.5246  0.2910  1.0
  O  O4  2  0.4537  0.7500  0.1701  1.0
  O  O5  2  0.4686  0.7500  0.5821  1.0
]