data_[K4Na4Sn4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.3773]
_cell_length_b [4.9721]
_cell_length_c [10.1845]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.6800]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNaSnTe2]
_chemical_formula_sum '[K4 Na4 Sn4 Te8]'
_cell_volume [877.0295]
_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  0.1853  0.5000  0.6762  1.0
  Na  Na1  4  0.1941  0.5000  0.0579  1.0
  Sn  Sn2  4  0.0650  0.0000  0.2003  1.0
  Te  Te3  4  0.1234  0.0000  0.9281  1.0
  Te  Te4  4  0.1497  0.5000  0.3348  1.0
]