data_[K4Tl12Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.0329]
_cell_length_b [4.8864]
_cell_length_c [12.8764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [KTl3Ag]
_chemical_formula_sum '[K4 Tl12 Ag4]'
_cell_volume [631.2699]
_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
[
  K  K0  4  0.1856  0.7500  0.4974  1.0
  Tl  Tl1  4  0.0626  0.7500  0.0891  1.0
  Tl  Tl2  4  0.1101  0.2500  0.2901  1.0
  Tl  Tl3  4  0.1423  0.2500  0.7074  1.0
  Ag  Ag4  4  0.1119  0.7500  0.8600  1.0
]