data_[K6Pa3Sb6O21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pa  1.5000  1.8000  1.0400
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.5686]
_cell_length_b [6.5686]
_cell_length_c [19.2207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K2PaSb2O7]
_chemical_formula_sum '[K6 Pa3 Sb6 O21]'
_cell_volume [718.2071]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.3081  1
  Pa  Pa1  3  -0.0000  -0.0000  0.5000  1
  Sb  Sb2  6  0.0000  0.0000  0.1015  1
  O  O3  18  0.0291  0.5146  0.2358  1
  O  O4  3  0.0000  0.0000  0.0000  1
]