data_[Na4Te4As4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Te  2.1000  1.4000  1.2933
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.2229]
_cell_length_b [9.3065]
_cell_length_c [7.7013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.7795]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaTeAsO5]
_chemical_formula_sum '[Na4 Te4 As4 O20]'
_cell_volume [470.0188]
_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
[
  Na  Na0  4  0.0000  0.3284  0.7500  1.0
  Te  Te1  4  0.0000  0.0000  0.0000  1.0
  As  As2  4  0.0000  0.3240  0.2500  1.0
  O  O3  8  0.1104  0.2194  0.1325  1.0
  O  O4  8  0.1745  0.4390  0.4155  1.0
  O  O5  4  0.0000  0.0818  0.7500  1.0
]