data_[Rb8Tl2Sb4As4]
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
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7380]
_cell_length_b [5.5199]
_cell_length_c [10.5240]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1793]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb4Tl(SbAs)2]
_chemical_formula_sum '[Rb8 Tl2 Sb4 As4]'
_cell_volume [698.9031]
_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  0.1122  0.0000  0.3975  1
  Rb  Rb1  4  0.2363  0.0000  0.8279  1
  Tl  Tl2  2  0.0000  0.0000  0.0000  1
  Sb  Sb3  4  0.0329  0.5000  0.8265  1
  As  As4  4  0.0879  0.5000  0.6010  1
]