data_[K4Sn4Te6]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.1372]
_cell_length_b [8.5244]
_cell_length_c [8.4937]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.5625]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2Sn2Te3]
_chemical_formula_sum '[K4 Sn4 Te6]'
_cell_volume [575.0520]
_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  4  0.2012  0.1643  0.3672  1.0
  Sn  Sn1  4  0.3210  0.6760  0.4822  1.0
  Te  Te2  4  0.4421  0.0283  0.7478  1.0
  Te  Te3  2  0.0000  0.0000  0.0000  1.0
]