data_[K2Zr2Sb2O7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zr  1.3300  1.5500  0.8600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.0666]
_cell_length_b [6.0666]
_cell_length_c [7.7501]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [K2Zr2Sb2O7]
_chemical_formula_sum '[K2 Zr2 Sb2 O7]'
_cell_volume [247.0151]
_cell_formula_units_Z [1]
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  0.3333  0.6667  0.0998  1
  Zr  Zr1  2  0.0000  0.0000  0.2502  1
  Sb  Sb2  2  0.3333  0.6667  0.6359  1
  O  O3  6  0.1829  0.3658  0.8108  1
  O  O4  1  0.0000  0.0000  0.5000  1
]