data_[Na8Cr4Ag4Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.0469]
_cell_length_b [8.6268]
_cell_length_c [13.1515]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Na2CrAgTe4]
_chemical_formula_sum '[Na8 Cr4 Ag4 Te16]'
_cell_volume [912.9658]
_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  0.0000  0.0000  1
  Na  Na1  4  0.2500  0.2500  0.7500  1
  Cr  Cr2  4  0.2500  0.2500  0.2500  1
  Ag  Ag3  4  0.0000  0.0000  0.5000  1
  Te  Te4  8  0.0000  0.0348  0.2306  1
  Te  Te5  8  0.2125  0.2500  0.4572  1
]