data_[K4Sr2Tl2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.2666]
_cell_length_b [10.2319]
_cell_length_c [8.8025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [K2SrTlBi2]
_chemical_formula_sum '[K4 Sr2 Tl2 Bi4]'
_cell_volume [474.3434]
_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  0.0000  0.1637  0.3510  1.0
  K  K1  2  0.5000  0.0871  0.0246  1.0
  Sr  Sr2  2  0.0000  0.4606  0.9933  1.0
  Tl  Tl3  2  0.5000  0.3194  0.6470  1.0
  Bi  Bi4  2  0.0000  0.1839  0.7554  1.0
  Bi  Bi5  2  0.5000  0.3893  0.2742  1.0
]