data_[K2Ba4Sb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ba  0.8900  2.1500  1.4900
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.2978]
_cell_length_b [6.5179]
_cell_length_c [10.8486]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6767]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KBa2SbO6]
_chemical_formula_sum '[K2 Ba4 Sb2 O12]'
_cell_volume [366.2198]
_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  0.5000  0.0000  0.0000  1.0
  Ba  Ba1  4  0.2680  0.5496  0.7536  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1108  0.5488  0.2113  1.0
  O  O4  4  0.2257  0.2486  0.0644  1.0
  O  O5  4  0.3000  0.6699  0.0409  1.0
]