data_[K2Er2Cd2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.5147]
_cell_length_b [4.4951]
_cell_length_c [10.7816]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8254]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KErCdTe3]
_chemical_formula_sum '[K2 Er2 Cd2 Te6]'
_cell_volume [438.9867]
_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  0.2110  0.2500  0.2390  1.0
  Er  Er1  2  0.3294  0.7500  0.8630  1.0
  Cd  Cd2  2  0.0828  0.2500  0.6073  1.0
  Te  Te3  2  0.1059  0.2500  0.8724  1.0
  Te  Te4  2  0.2381  0.7500  0.5439  1.0
  Te  Te5  2  0.4585  0.7500  0.1567  1.0
]