data_[Na2Ce2Ag2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.4564]
_cell_length_b [4.4564]
_cell_length_c [20.4104]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [NaCeAgTe4]
_chemical_formula_sum '[Na2 Ce2 Ag2 Te8]'
_cell_volume [405.3462]
_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  0.0000  0.5000  0.1371  1.0
  Ce  Ce1  2  0.0000  0.5000  0.6042  1.0
  Ag  Ag2  2  0.0000  0.0000  0.0000  1.0
  Te  Te3  4  0.0000  0.0000  0.2774  1.0
  Te  Te4  2  0.0000  0.5000  0.4415  1.0
  Te  Te5  2  0.0000  0.5000  0.9090  1.0
]