data_[Rb4Ag4Te4Ir4Se8]
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
  Te  2.1000  1.4000  1.2933
  Ir  2.2000  1.3500  0.7650
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8442]
_cell_length_b [16.4119]
_cell_length_c [10.4656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbAgTeIrSe2]
_chemical_formula_sum '[Rb4 Ag4 Te4 Ir4 Se8]'
_cell_volume [660.2812]
_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  0.2573  0.2500  1
  Ag  Ag1  4  0.0000  0.0654  0.7500  1
  Te  Te2  4  0.0000  0.4380  0.7500  1
  Ir  Ir3  4  0.0000  0.5000  0.0000  1
  Se  Se4  8  0.0000  0.1030  0.5153  1
]