data_[Rb2Tl8Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [8.7499]
_cell_length_b [5.1191]
_cell_length_c [8.9895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [RbTl4Ag]
_chemical_formula_sum '[Rb2 Tl8 Ag2]'
_cell_volume [402.6590]
_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  2  0.2500  0.0000  0.6070  1.0
  Tl  Tl1  4  0.0649  0.5000  0.2909  1.0
  Tl  Tl2  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl3  2  0.2500  0.5000  0.9418  1.0
  Ag  Ag4  2  0.2500  0.0000  0.2144  1.0
]