data_[Rb4Ag4Sn8Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.5728]
_cell_length_b [14.5519]
_cell_length_c [16.8650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbAg(SnTe2)2]
_chemical_formula_sum '[Rb4 Ag4 Sn8 Te16]'
_cell_volume [1122.2459]
_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
[
  Rb  Rb0  4  0.0000  0.1128  0.7500  1.0
  Ag  Ag1  4  0.0000  0.1815  0.2500  1.0
  Sn  Sn2  8  0.0000  0.3687  0.5625  1.0
  Te  Te3  8  0.0000  0.2667  0.0989  1.0
  Te  Te4  4  0.0000  0.0000  0.0000  1.0
  Te  Te5  4  0.0000  0.4199  0.7500  1.0
]