data_[Rb4Ag4Sb2Te8]
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
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.1965]
_cell_length_b [4.4181]
_cell_length_c [8.7380]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0015]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ag2SbTe4]
_chemical_formula_sum '[Rb4 Ag4 Sb2 Te8]'
_cell_volume [619.7726]
_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
[
  Rb  Rb0  4  0.1348  0.0000  0.5669  1.0
  Ag  Ag1  4  0.1911  0.5000  0.9810  1.0
  Sb  Sb2  2  0.0000  0.0000  0.0000  1.0
  Te  Te3  4  0.0179  0.5000  0.7685  1.0
  Te  Te4  4  0.1908  0.0000  0.1866  1.0
]