data_[K2Zn2Cr2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zn  1.6500  1.3500  0.8800
  Cr  1.6600  1.4000  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.5688]
_cell_length_b [3.9042]
_cell_length_c [9.7093]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0984]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KZnCrSe3]
_chemical_formula_sum '[K2 Zn2 Cr2 Se6]'
_cell_volume [303.0405]
_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  0.2172  0.2500  0.2418  1.0
  Zn  Zn1  2  0.0847  0.2500  0.6091  1.0
  Cr  Cr2  2  0.3345  0.7500  0.8605  1.0
  Se  Se3  2  0.1320  0.2500  0.8685  1.0
  Se  Se4  2  0.2324  0.7500  0.5532  1.0
  Se  Se5  2  0.4696  0.7500  0.1364  1.0
]