data_[K8Sb16O44]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.3974]
_cell_length_b [7.5460]
_cell_length_c [7.1746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.2629]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Sb4O11]
_chemical_formula_sum '[K8 Sb16 O44]'
_cell_volume [1047.2545]
_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  0.0091  0.0000  0.2571  1
  K  K1  4  0.2367  0.0000  0.0019  1
  Sb  Sb2  8  0.1745  0.2408  0.4325  1
  Sb  Sb3  4  0.0728  0.5000  0.0945  1
  Sb  Sb4  4  0.0756  0.5000  0.6176  1
  O  O5  8  0.0864  0.2401  0.5691  1
  O  O6  8  0.1311  0.2993  0.1809  1
  O  O7  8  0.2341  0.2095  0.6705  1
  O  O8  4  0.0000  0.3248  0.0000  1
  O  O9  4  0.0248  0.5000  0.3440  1
  O  O10  4  0.1218  0.5000  0.8642  1
  O  O11  4  0.1608  0.0000  0.3411  1
  O  O12  4  0.1673  0.5000  0.5049  1
]