data_[K4Cr4Se4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cr  1.6600  1.4000  0.9400
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.5786]
_cell_length_b [6.7072]
_cell_length_c [6.0141]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6597]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KCrSeO]
_chemical_formula_sum '[K4 Cr4 Se4 O4]'
_cell_volume [295.7501]
_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  0.1041  0.7444  0.0227  1
  Cr  Cr1  4  0.4870  0.1182  0.2758  1
  Se  Se2  4  0.2748  0.1131  0.8538  1
  O  O3  4  0.3926  0.6410  0.8722  1
]