data_[K4Tl2Ag6]
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 [Pmma]
_cell_length_a [5.8727]
_cell_length_b [6.6645]
_cell_length_c [9.2485]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [K2TlAg3]
_chemical_formula_sum '[K4 Tl2 Ag6]'
_cell_volume [361.9740]
_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
[
  K  K0  2  0.2500  0.0000  0.6374  1.0
  K  K1  2  0.2500  0.5000  0.8696  1.0
  Tl  Tl2  2  0.2500  0.0000  0.0606  1.0
  Ag  Ag3  4  0.2500  0.2865  0.2880  1.0
  Ag  Ag4  2  0.0000  0.5000  0.5000  1.0
]