data_[K4Sn4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.9846]
_cell_length_b [6.6822]
_cell_length_c [8.7390]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.5523]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KSnSb]
_chemical_formula_sum '[K4 Sn4 Sb4]'
_cell_volume [466.0958]
_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  0.3361  0.0994  0.2004  1.0
  Sn  Sn1  4  0.0016  0.2126  0.4390  1.0
  Sb  Sb2  4  0.2090  0.6016  0.3298  1.0
]