data_[K12Tl4Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [9.0054]
_cell_length_b [7.5430]
_cell_length_c [13.9621]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.3645]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [K3TlSn]
_chemical_formula_sum '[K12 Tl4 Sn4]'
_cell_volume [947.6076]
_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  0.1323  0.1741  0.4339  1.0
  K  K1  4  0.2510  0.3780  0.1583  1.0
  K  K2  4  0.4693  0.1832  0.8832  1.0
  Tl  Tl3  4  0.0947  0.3582  0.8676  1.0
  Sn  Sn4  4  0.1538  0.0938  0.7024  1.0
]