data_[K4Cd2Sn2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [10.0726]
_cell_length_b [9.5126]
_cell_length_c [7.5773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [131.6393]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [K2CdSnSe4]
_chemical_formula_sum '[K4 Cd2 Sn2 Se8]'
_cell_volume [542.5919]
_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  2  0.0000  0.5766  0.5000  1.0
  K  K1  2  0.0000  0.7993  0.0000  1.0
  Cd  Cd2  2  0.0000  0.0163  0.5000  1.0
  Sn  Sn3  2  0.0000  0.2555  0.0000  1.0
  Se  Se4  4  0.1811  0.1051  0.9419  1.0
  Se  Se5  4  0.2235  0.3778  0.4042  1.0
]