data_[K8Sb4O10]
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 [Cm]
_cell_length_a [9.8541]
_cell_length_b [6.5716]
_cell_length_c [7.7481]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.3813]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K4Sb2O5]
_chemical_formula_sum '[K8 Sb4 O10]'
_cell_volume [497.5870]
_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  0.1684  0.5000  0.1352  1.0
  K  K1  2  0.3392  0.0000  0.8599  1.0
  K  K2  2  0.4996  0.5000  0.9926  1.0
  K  K3  2  0.4998  0.5000  0.4878  1.0
  Sb  Sb4  2  0.1459  0.5000  0.6613  1.0
  Sb  Sb5  2  0.3389  0.0000  0.3169  1.0
  O  O6  4  0.1302  0.2733  0.8172  1.0
  O  O7  4  0.4230  0.2283  0.2127  1.0
  O  O8  2  0.4448  0.0000  0.5578  1.0
]