data_[K4Sn4Te10]
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 [C2/m]
_cell_length_a [17.6681]
_cell_length_b [5.7780]
_cell_length_c [8.6678]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.6563]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Sn2Te5]
_chemical_formula_sum '[K4 Sn4 Te10]'
_cell_volume [776.4753]
_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  0.0504  0.5000  0.2953  1.0
  Sn  Sn1  4  0.1590  0.0000  0.9540  1.0
  Te  Te2  4  0.0911  0.0000  0.5761  1.0
  Te  Te3  4  0.1763  0.5000  0.0656  1.0
  Te  Te4  2  0.0000  0.0000  0.0000  1.0
]