data_[Tl6Ag3Sb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.7617]
_cell_length_b [5.7617]
_cell_length_c [15.1819]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Tl2AgSbO6]
_chemical_formula_sum '[Tl6 Ag3 Sb3 O18]'
_cell_volume [436.4731]
_cell_formula_units_Z [3]
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
[
  Tl  Tl0  3  0.0000  0.0000  0.4665  1.0
  Tl  Tl1  3  0.0000  0.0000  0.9818  1.0
  Ag  Ag2  3  0.0000  0.0000  0.2103  1.0
  Sb  Sb3  3  0.0000  0.0000  0.6773  1.0
  O  O4  9  0.0181  0.7378  0.5901  1.0
  O  O5  9  0.0189  0.3739  0.4109  1.0
]