data_[K2Al1Sb1O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  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 [6.0960]
_cell_length_b [6.0960]
_cell_length_c [5.3014]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [K2AlSbO6]
_chemical_formula_sum '[K2 Al1 Sb1 O6]'
_cell_volume [170.6119]
_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  0.8488  1
  Al  Al1  1  0.0000  0.0000  0.0000  1
  Sb  Sb2  1  0.0000  0.0000  0.5000  1
  O  O3  6  0.1385  0.8615  0.2383  1
]