data_[K4Sb4Se4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [7.7168]
_cell_length_b [10.2450]
_cell_length_c [5.9174]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.1816]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [KSbSeO]
_chemical_formula_sum '[K4 Sb4 Se4 O4]'
_cell_volume [419.8229]
_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  0.4804  0.3781  0.1509  1
  Sb  Sb1  4  0.0258  0.4240  0.3478  1
  Se  Se2  4  0.2927  0.1207  0.2807  1
  O  O3  4  0.2011  0.4915  0.7205  1
]