data_[Cs4Ag2Te4Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.2268]
_cell_length_b [5.2818]
_cell_length_c [7.7913]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.9226]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Ag(TeSe2)2]
_chemical_formula_sum '[Cs4 Ag2 Te4 Se8]'
_cell_volume [706.3051]
_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
[
  Cs  Cs0  4  0.1232  0.0000  0.5902  1
  Ag  Ag1  2  0.0000  0.0000  0.0000  1
  Te  Te2  4  0.1568  0.5000  0.1763  1
  Se  Se3  4  0.0295  0.5000  0.3279  1
  Se  Se4  4  0.1477  0.0000  0.0607  1
]